rockbox/docs/PLUGIN_API

# Auto generated documentation by Rockbox plugin API generator v2
# Made by Maurus Cuelenaere
#             __________               __   ___.
#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
#                     \/            \/     \/    \/            \/
# $Id$
#
# Generated from http://svn.rockbox.org/viewvc.cgi/trunk/apps/plugin.h
#
# Format:
# \group memory and strings
# \conditions defined(HAVE_BACKLIGHT)
# \param fmt
# \return
# \description
# \see func1 func2 [S[apps/plugin.c]]
#
# Markup:
# [W[wiki url]]
# [S[svn url]]
# [F[function]]
# [[url]]
# %BR%
# =code=

char *strcasestr (const char* phaystack, const char* pneedle)
    \group strings and memory
    \param phaystack
    \param pneedle
    \return
    \description

bool action_userabort(int timeout)
    \group action handling
    \param timeout
    \return
    \description

const char *rbversion
    \return version of the plugin API
    \description

void ata_sleep(void)
    \group file
    \description Give the disk some rest

void ata_spin(void)
    \group file
    \description

void ata_spindown(int seconds)
    \group file
    \param seconds
    \description

int atoi(const char *str)
    \group strings and memory
    \param str
    \return
    \description he atoi() function converts the initial portion of a string pointed to by str to int

struct mp3entry* audio_current_track(void)
    \group playback control
    \return the mp3entry struct of the currently playing track
    \description
    \see [S[firmware/export/id3.h]]

void audio_ff_rewind(long newtime)
    \group playback control
    \param newtime
    \description

void audio_flush_and_reload_tracks(void)
    \group playback control
    \description

int audio_get_file_pos(void)
    \group playback control
    \return
    \description

bool audio_has_changed_track(void)
    \group playback control
    \return
    \description

void audio_next(void)
    \group playback control
    \description

struct mp3entry* audio_next_track(void)
    \group playback control
    \return the mp3entry struct of the upcoming track
    \description
    \see [S[firmware/export/id3.h]]

void audio_pause(void)
    \group playback control
    \description

void audio_prev(void)
    \group playback control
    \description

void audio_resume(void)
    \group playback control
    \description

void audio_set_input_source(int source, unsigned flags)
    \group sound
    \conditions (INPUT_SRC_CAPS != 0)
    \param source
    \param flags
    \description

void audio_set_output_source(int monitor)
    \group sound
    \conditions (INPUT_SRC_CAPS != 0)
    \param monitor
    \description

void audio_set_recording_gain(int left, int right, int type)
    \group sound
    \conditions (defined(HAVE_RECORDING))
    \param left
    \param right
    \param type
    \description

int audio_status(void)
    \group playback control
    \return
    \description

void audio_stop(void)
    \group playback control
    \description

void backlight_off(void)
    \group backlight
    \description Turns the backlight off

void backlight_on(void)
    \group backlight
    \description Turns the backlight on

void backlight_set_brightness(int val)
    \group backlight
    \conditions (defined(HAVE_BACKLIGHT_BRIGHTNESS))
    \param val
    \description

void backlight_set_timeout(int index)
    \group backlight
    \param index 0 : backlight always off%BR%1 : no time out%BR%2 : 1s%BR%3 : 2s%BR%4 : 3s%BR%5 : 4s%BR%6 : 5s%BR%7 : 6s%BR%8 : 7s%BR%9 : 8s%BR%10 : 9s%BR%11 : 10s%BR%12 : 15s%BR%13 : 20s%BR%14 : 25s%BR%15 : 30s%BR%16 : 45s%BR%17 : 60s%BR%18 : 90s%BR%other : backlight always off
    \description Set the backlight timeout

void backlight_set_timeout_plugged(int index)
    \conditions (CONFIG_CHARGING)
    \param index
    \description

int battery_level(void)
    \group power
    \return battery level in percent
    \description On the simulator, battery_level is always 75

bool battery_level_safe(void)
    \group power
    \return
    \description

int battery_time(void)
    \group power
    \return
    \description

unsigned int battery_voltage(void)
    \group power
    \conditions (!defined(SIMULATOR))
    \return
    \description

unsigned short *bidi_l2v( const unsigned char *str, int orientation )
    \param str
    \param orientation
    \return
    \description

int bufadvance(int handle_id, off_t offset)
    \group buffering API
    \param handle_id
    \param offset
    \return
    \description

int bufalloc(const void *src, size_t size, enum data_type type)
    \group buffering API
    \param src
    \param size
    \param type
    \return
    \description

bool bufclose(int handle_id)
    \group buffering API
    \param handle_id
    \return
    \description

ssize_t bufgetdata(int handle_id, size_t size, void **data)
    \group buffering API
    \param handle_id
    \param size
    \param data
    \return
    \description

int bufopen(const char *file, size_t offset, enum data_type type)
    \group buffering API
    \param file
    \param offset
    \param type
    \return
    \description

ssize_t bufread(int handle_id, size_t size, void *dest)
    \group buffering API
    \param handle_id
    \param size
    \param dest
    \return
    \description

int bufseek(int handle_id, size_t newpos)
    \group buffering API
    \param handle_id
    \param newpos
    \return
    \description

ssize_t buf_get_offset(int handle_id, void *ptr)
    \param handle_id
    \param ptr
    \return
    \description

ssize_t buf_handle_offset(int handle_id)
    \param handle_id
    \return
    \description

void buf_request_buffer_handle(int handle_id)
    \param handle_id
    \description

void buf_set_base_handle(int handle_id)
    \param handle_id
    \description

size_t buf_used(void)
    \return
    \description

void buttonlight_off(void)
    \group button
    \conditions (defined(HAVE_BUTTON_LIGHT))
    \description

void buttonlight_on(void)
    \group button
    \conditions (defined(HAVE_BUTTON_LIGHT))
    \description

void buttonlight_set_brightness(int val)
    \group button
    \conditions (defined(HAVE_BUTTON_LIGHT)) && (defined(HAVE_BUTTONLIGHT_BRIGHTNESS))
    \param val
    \description

void buttonlight_set_timeout(int value)
    \group button
    \conditions (defined(HAVE_BUTTON_LIGHT))
    \param value
    \description

void button_clear_queue(void)
    \group button
    \description Empty the button queue

long button_get(bool block)
    \group button
    \param block If is set TRUE, button_get won't return until a key is pressed
    \return a bitmask for which keys were pressed
    \description

intptr_t button_get_data(void)
    \group button
    \conditions (defined(HAVE_BUTTON_DATA))
    \return
    \description

long button_get_w_tmo(int ticks)
    \group button
    \param ticks
    \return a bitmask for which keys were pressed; if no key was pressed, return BUTTON_NONE
    \description Wait for a key press for =ticks= ticks. (there are HZ ticks per second)

bool button_hold(void)
    \group button
    \conditions (defined(HAS_BUTTON_HOLD))
    \return
    \description

struct event_queue *button_queue
    \conditions (defined(HAVE_LCD_ENABLE))
    \return
    \description

int button_queue_count(void)
    \group button
    \return
    \description

int button_status(void)
    \group button
    \return a bitmask for which keys are currently pressed
    \description

void cancel_cpu_boost(void)
    \conditions (defined(HAVE_SCHEDULER_BOOSTCTRL))
    \description Unboosts the CPU for the current thread

const unsigned char *font_get_bits( struct font *pf, unsigned short char_code )
    \param pf
    \param char_code
    \return
    \description

const unsigned char* utf8decode(const unsigned char *utf8, unsigned short *ucs)
    \group unicode stuff
    \param utf8
    \param ucs
    \return
    \description

const unsigned char *_ctype_
    \group strings and memory
    \return
    \description

bool charger_inserted(void)
    \group power
    \conditions (CONFIG_CHARGING)
    \return
    \description

bool charging_state(void)
    \group power
    \conditions (CONFIG_CHARGING) && (CONFIG_CHARGING == CHARGING_MONITOR)
    \return
    \description

int closedir(DIR* dir)
    \group dir
    \param dir
    \return
    \description The closedir() function closes the directory stream associated with =dir=. The directory stream descriptor dir is not available after this call.

int codec_load_file(const char* codec, struct codec_api *api)
    \group misc
    \param codec
    \param api
    \return
    \description

int count_mp3_frames(int fd, int startpos, int filesize, void (*progressfunc)(int))
    \group misc
    \param fd
    \param startpos
    \param filesize
    \param progressfunc
    \return
    \description

void cpu_boost(bool on_off)
    \conditions (!defined(SIMULATOR)) && (defined(HAVE_ADJUSTABLE_CPU_FREQ)) && !defined(CPU_BOOST_LOGGING)
    \param on_off
    \description Boosts the CPU if =on_off= is true, otherwise it unboosts the CPU

void cpu_boost_(bool on_off,char*location,int line)
    \conditions (!defined(SIMULATOR)) && (defined(HAVE_ADJUSTABLE_CPU_FREQ)) && (defined(CPU_BOOST_LOGGING))
    \param on_off
    \param charlocation
    \param line
    \description

long *cpu_frequency
    \conditions (!defined(SIMULATOR))
    \return the current cpu frequency
    \description

char *create_numbered_filename(char *buffer, const char *path, const char *prefix, const char *suffix, int numberlen IF_CNFN_NUM_(, int *num))
    \group file
    \param buffer
    \param path
    \param prefix
    \param suffix
    \param num
    \param numberlen
    \return
    \description

struct thread_entry* create_thread(void (*function)(void), void* stack, size_t stack_size, unsigned flags, const char *name IF_PRIO(, int priority) IF_COP(, unsigned int core))
    \group kernel/ system
    \param function
    \param stack
    \param stack_size
    \param flags
    \param priority
    \param core
    \param name
    \return its ID if context area could be allocated, else return -1
    \description Creates a thread
    \see [W[RockboxKernel#struct_thread_entry_create_threa]]

int create_xing_header(int fd, long startpos, long filesize, unsigned char *buf, unsigned long num_frames, unsigned long rec_time, unsigned long header_template, void (*progressfunc)(int), bool generate_toc)
    \group misc
    \param fd
    \param startpos
    \param filesize
    \param buf
    \param num_frames
    \param rec_time
    \param header_template
    \param progressfunc
    \param generate_toc
    \return
    \description

volatile long* current_tick
    \group kernel/ system
    \return
    \description

void debugf(const char *fmt, ...) ATTRIBUTE_PRINTF(1, 2)
    \group misc
    \conditions (defined(DEBUG) || defined(SIMULATOR))
    \param fmt
    \description Prints =fmt= in a printf-like fashion to STDERR

long default_event_handler(long event)
    \group kernel/ system
    \param event
    \return SYS_USB_CONNECTED and call usb_screen() if =event= equals to SYS_USB_CONNECTED, else do nothing and return 0
    \description

long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
    \group kernel/ system
    \param event
    \param callback
    \param parameter
    \return
    \description

bool detect_flashed_ramimage(void)
    \group Routines for the iriver_flash -plugin.
    \conditions (defined(IRIVER_H100_SERIES))
    \return
    \description

bool detect_flashed_romimage(void)
    \group Routines for the iriver_flash -plugin.
    \conditions (defined(IRIVER_H100_SERIES))
    \return
    \description

bool detect_original_firmware(void)
    \group Routines for the iriver_flash -plugin.
    \conditions (defined(IRIVER_H100_SERIES))
    \return
    \description

bool dir_exists(const char *path)
    \group dir
    \param path
    \return
    \description

int do_menu(const struct menu_item_ex *menu, int *start_selected, struct viewport parent[NB_SCREENS], bool hide_bars)
    \group menu
    \param menu
    \param start_selected
    \param parent[NB_SCREENS]
    \param hide_bars
    \return
    \description

intptr_t dsp_configure(struct dsp_config *dsp, int setting, intptr_t value)
    \group sound
    \param dsp
    \param setting
    \param value
    \return
    \description

void dsp_dither_enable(bool enable)
    \group sound
    \param enable
    \description

int dsp_process(struct dsp_config *dsp, char *dest, const char *src[], int count)
    \group sound
    \param dsp
    \param dest
    \param src[]
    \param count
    \return
    \description

void dsp_set_crossfeed(bool enable)
    \group sound
    \param enable
    \description

void dsp_set_eq(bool enable)
    \group sound
    \param enable
    \description

void event_init(struct event *e, unsigned int flags)
    \conditions (defined(HAVE_EVENT_OBJECTS))
    \param e
    \param flags
    \description

void event_set_state(struct event *e, unsigned int state)
    \conditions (defined(HAVE_EVENT_OBJECTS))
    \param e
    \param state
    \description

void event_wait(struct event *e, unsigned int for_state)
    \conditions (defined(HAVE_EVENT_OBJECTS))
    \param e
    \param for_state
    \description

int fdprintf(int fd, const char *fmt, ...) ATTRIBUTE_PRINTF(2, 3)
    \group file
    \param fd
    \param fmt
    \return number of characters writen to =fd= or a negative value upon error
    \description Write a formated string in the =fd=

bool file_exists(const char *file)
    \group file
    \param file
    \return
    \description

bool find_albumart(const struct mp3entry *id3, char *buf, int buflen)
    \conditions (defined(HAVE_ALBUMART))
    \param id3
    \param buf
    \param buflen
    \return
    \description

void flush_icache(void)
    \conditions (defined(CACHE_FUNCTIONS_AS_CALL))
    \description

struct font* font_get(int font)
    \param font
    \return the font structure for =font=
    \description If the requested font isn't loaded/compiled-in, decrement the font number and try again.
    \see [S[firmware/export/font.h]]

int font_getstringsize(const unsigned char *str, int *w, int *h, int fontnumber)
    \param str
    \param w
    \param h
    \param fontnumber
    \return
    \description

int font_get_width(struct font* pf, unsigned short char_code)
    \param pf
    \param char_code
    \return
    \description

struct font* font_load(const char *path)
    \param path
    \return
    \description Load font =path= and returns a struct font pointer for it
    \see [S[firmware/export/font.h]]

int get_action(int context, int timeout)
    \group action handling
    \param context
    \param timeout
    \return
    \description

const char *get_codec_filename(int cod_spec)
    \group misc
    \param cod_spec
    \return
    \description

int get_custom_action(int context,int timeout, const struct button_mapping* (*get_context_map)(int))
    \group action handling
    \param context
    \param timeout
    \param get_context_map
    \return
    \description

bool get_metadata(struct mp3entry* id3, int fd, const char* trackname)
    \group misc
    \param id3
    \param fd
    \param trackname
    \return
    \description

struct tm* get_time(void)
    \group misc
    \return current time
    \description
    \see [S[firmware/include/time.h]]

struct user_settings* global_settings
    \group misc
    \return the global_settings struct
    \description
    \see [S[apps/settings.h]]

struct system_status *global_status
    \group misc
    \return the global_status struct
    \description
    \see [S[apps/settings.h]]

void gui_scrollbar_draw(struct screen * screen, int x, int y, int width, int height, int items, int min_shown, int max_shown, unsigned flags)
    \param screen
    \param x
    \param y
    \param width
    \param height
    \param items
    \param min_shown
    \param max_shown
    \param flags
    \description

void gui_synclist_add_item(struct gui_synclist * lists)
    \group list
    \param lists
    \description

void gui_synclist_del_item(struct gui_synclist * lists)
    \group list
    \param lists
    \description

bool gui_synclist_do_button(struct gui_synclist * lists, unsigned *action)
    \group list
    \param lists
    \param action
    \param wrap
    \return
    \description

void gui_synclist_draw(struct gui_synclist * lists)
    \group list
    \param lists
    \description

int gui_synclist_get_nb_items(struct gui_synclist * lists)
    \group list
    \param lists
    \return
    \description

int gui_synclist_get_sel_pos(struct gui_synclist * lists)
    \group list
    \param lists
    \return
    \description

void gui_synclist_init(struct gui_synclist * lists, list_get_name callback_get_item_name, void * data, bool scroll_all,int selected_size, struct viewport parent[NB_SCREENS])
    \group list
    \param lists
    \param callback_get_item_name
    \param data
    \param scroll_all
    \param selected_size
    \param parent[NB_SCREENS]
    \description

void gui_synclist_select_item(struct gui_synclist * lists, int item_number)
    \group list
    \param lists
    \param item_number
    \description

void gui_synclist_set_icon_callback(struct gui_synclist * lists, list_get_icon icon_callback)
    \group list
    \param lists
    \param icon_callback
    \description

void gui_synclist_set_nb_items(struct gui_synclist * lists, int nb_items)
    \group list
    \param lists
    \param nb_items
    \description

void gui_synclist_set_title(struct gui_synclist *lists, char* title, int icon)
    \group list
    \param lists
    \param title
    \param icon
    \description

enum yesno_res gui_syncyesno_run(const struct text_message * main_message, const struct text_message * yes_message, const struct text_message * no_message)
    \group list
    \param main_message
    \param yes_message
    \param no_message
    \return
    \description

void invalidate_icache(void)
    \conditions (defined(CACHE_FUNCTIONS_AS_CALL))
    \description

unsigned char* iso_decode(const unsigned char *iso, unsigned char *utf8, int cp, int count)
    \group unicode stuff
    \param iso
    \param utf8
    \param cp
    \param count
    \return
    \description

bool is_backlight_on(bool ignore_always_off)
    \param ignore_always_off
    \return
    \description

int kbd_input(char* buffer, int buflen, unsigned short *kbd)
    \group misc
    \param buffer
    \param buflen
    \param *kbd
    \return 0 upon success, negative upon failure
    \description Prompt for a string to be stored in =buffer= which is of length =buflen=

void lcd_bitmap(const fb_data *src, int x, int y, int width, int height)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \param src
    \param x
    \param y
    \param width
    \param height
    \description Put a bitmap at given XY coordinates. Element src[i] is the binary representation of column number i of the bitmap read from bottom to top.

void lcd_bitmap_part(const fb_data *src, int src_x, int src_y, int stride, int x, int y, int width, int height)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \param src
    \param src_x
    \param src_y
    \param stride
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_bitmap_transparent(const fb_data *src, int x, int y, int width, int height)
    \group lcd
    \conditions (LCD_DEPTH >= 16)
    \param src
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_bitmap_transparent_part(const fb_data *src, int src_x, int src_y, int stride, int x, int y, int width, int height)
    \group lcd
    \conditions (LCD_DEPTH >= 16)
    \param src
    \param src_x
    \param src_y
    \param stride
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, int bx, int by, int bwidth, int bheight, int stride)
    \group lcd
    \conditions ((LCD_DEPTH < 4) && !defined(SIMULATOR))
    \param values
    \param phases
    \param bx
    \param by
    \param bwidth
    \param bheight
    \param stride
    \description

void lcd_blit_mono(const unsigned char *data, int x, int by, int width, int bheight, int stride)
    \group lcd
    \conditions ((LCD_DEPTH < 4) && !defined(SIMULATOR))
    \param data
    \param x
    \param by
    \param width
    \param bheight
    \param stride
    \description

void lcd_blit_yuv(unsigned char * const src[3], int src_x, int src_y, int stride, int x, int y, int width, int height)
    \group lcd
    \conditions (LCD_DEPTH >= 16)
    \param src[3]
    \param src_x
    \param src_y
    \param stride
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_clear_display(void)
    \group lcd
    \description Clears the LCD and the framebuffer

void lcd_drawline(int x1, int y1, int x2, int y2)
    \group lcd
    \param x1 X top coordinate
    \param y1 Y top coordinate
    \param x2 X bottom coordinate
    \param y2 Y bottom coordinate
    \description Draws a line at (=x1=, =y1=) -> (=x2=, =y2=) within current drawing mode

void lcd_drawpixel(int x, int y)
    \group lcd
    \param x
    \param y
    \description Draws a pixel at (=x=, =y=) within current drawing mode

void lcd_drawrect(int x, int y, int width, int height)
    \group lcd
    \param x
    \param y
    \param width
    \param height
    \description Draws a rectangle at (=x=, =y=) -> (=x= + =width=, =y= + =height=) within current drawing mode

void lcd_fillrect(int x, int y, int width, int height)
    \group lcd
    \param x
    \param y
    \param width
    \param height
    \description Draws a filled rectangle at (=x=, =y=) -> (=x= + =width=, =y= + =height=) within current drawing mode

fb_data* lcd_framebuffer
    \group lcd
    \return
    \description Pointer to the framebuffer
    \see [S[firmware/export/lcd.h]]

int lcd_getstringsize(const unsigned char *str, int *w, int *h)
    \group lcd
    \param str String
    \param w Width
    \param h Height
    \return Success or not
    \description Stores the width and height of the string in =w= and =h=

fb_data* lcd_get_backdrop(void)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \return Pointer to framebuffer data
    \description Gets the current backdrop
    \see lcd_framebuffer

unsigned lcd_get_background(void)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \return
    \description

int lcd_get_drawmode(void)
    \group lcd
    \return current LCD drawing mode
    \description

unsigned lcd_get_foreground(void)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \return
    \description

void lcd_hline(int x1, int x2, int y)
    \group lcd
    \param x1 X start coordinate
    \param x2 X end coordinate
    \param y Y coordinate
    \description Draws a horizontal line at (=x1=, =y=) -> (=x2=, =y=) within current drawing mode

void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width, int height)
    \group lcd
    \param src
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y, int stride, int x, int y, int width, int height)
    \group lcd
    \param src
    \param src_x
    \param src_y
    \param stride
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_puts(int x, int y, const unsigned char *string)
    \group lcd
    \param x Row X
    \param y Column Y
    \param string
    \description Puts string on the LCD at row =x= and column =y=

void lcd_putsxy(int x, int y, const unsigned char *string)
    \group lcd
    \param x X coordinate
    \param y Y coordinate
    \param string
    \description Puts string on the LCD at position (=x=, =y=)

void lcd_puts_scroll(int x, int y, const unsigned char* string)
    \group lcd
    \param x Row X
    \param y Column Y
    \param string
    \description Puts scrolling string on the LCD at row =x= and column =y=. The scrolling style is STYLE_DEFAULT.

void lcd_remote_bitmap(const fb_remote_data *src, int x, int y, int width, int height)
    \conditions (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
    \param src
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_remote_bitmap_part(const fb_remote_data *src, int src_x, int src_y, int stride, int x, int y, int width, int height)
    \conditions (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
    \param src
    \param src_x
    \param src_y
    \param stride
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_remote_clear_display(void)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \description

void lcd_remote_drawline(int x1, int y1, int x2, int y2)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x1 X top coordinate
    \param y1 Y top coordinate
    \param x2 X bottom coordinate
    \param y2 Y bottom coordinate
    \description Draws a line at (=x1=, =y1=) -> (=x2=, =y2=) within current drawing mode

void lcd_remote_drawpixel(int x, int y)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \description Draws a pixel at (=x=, =y=) within current drawing mode

void lcd_remote_drawrect(int x, int y, int nx, int ny)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param nx
    \param ny
    \description

void lcd_remote_fillrect(int x, int y, int nx, int ny)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param nx
    \param ny
    \description

fb_remote_data* lcd_remote_framebuffer
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \return
    \description

int lcd_remote_getstringsize(const unsigned char *str, int *w, int *h)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param str String
    \param w Width
    \param h Height
    \return Success or not
    \description Stores the width and height of the string in =w= and =h=

unsigned lcd_remote_get_background(void)
    \conditions (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
    \return
    \description

int lcd_remote_get_drawmode(void)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \return
    \description

unsigned lcd_remote_get_foreground(void)
    \conditions (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
    \return
    \description

void lcd_remote_hline(int x1, int x2, int y)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x1
    \param x2
    \param y
    \description

void lcd_remote_mono_bitmap(const unsigned char *src, int x, int y, int width, int height)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param src
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_remote_mono_bitmap_part(const unsigned char *src, int src_x, int src_y, int stride, int x, int y, int width, int height)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param src
    \param src_x
    \param src_y
    \param stride
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_remote_puts(int x, int y, const unsigned char *string)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param string
    \description

void lcd_remote_putsxy(int x, int y, const unsigned char *string)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param string
    \description

void lcd_remote_puts_scroll(int x, int y, const unsigned char* string)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param string
    \description

void lcd_remote_puts_style(int x, int y, const unsigned char *str, int style)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param str
    \param style
    \description

void lcd_remote_setfont(int font)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param font
    \description Set default font

void lcd_remote_set_background(unsigned background)
    \conditions (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
    \param background
    \description

void lcd_remote_set_contrast(int x)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \description

void lcd_remote_set_drawmode(int mode)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param mode
    \description

void lcd_remote_set_foreground(unsigned foreground)
    \conditions (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
    \param foreground
    \description

void lcd_remote_stop_scroll(void)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \description Stop all scrolling lines on the screen

void lcd_remote_update(void)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \description

void lcd_remote_update_rect(int x, int y, int width, int height)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y
    \param width
    \param height
    \description

void lcd_remote_vline(int x, int y1, int y2)
    \group remote lcd
    \conditions (defined(HAVE_REMOTE_LCD))
    \param x
    \param y1
    \param y2
    \description

void lcd_setfont(int font)
    \group lcd
    \param font
    \description Set default font

void lcd_set_backdrop(fb_data* backdrop)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \param backdrop Pointer to backdrop image
    \description Set the backdrop to =backdrop=
    \see lcd_framebuffer

void lcd_set_background(unsigned foreground)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \param foreground
    \description

void lcd_set_contrast(int x)
    \group lcd
    \param x Should be between =MIN_CONTRAST_SETTING= and =MAX_CONTRAST_SETTING=
    \description Sets LCD contrast to value =x=

void lcd_set_drawmode(int mode)
    \group lcd
    \param mode
    \description

void lcd_set_foreground(unsigned foreground)
    \group lcd
    \conditions (LCD_DEPTH > 1)
    \param foreground
    \description

void lcd_set_invert_display(bool yesno)
    \group lcd
    \conditions (defined(HAVE_LCD_INVERT))
    \param yesno
    \description

void lcd_stop_scroll(void)
    \group lcd
    \description Stop all scrolling lines on the screen

void lcd_update(void)
    \group lcd
    \description Pushes LCD framebuffer changes to the LCD

void lcd_update_rect(int x, int y, int width, int height)
    \group lcd
    \param x measured in pixels
    \param y measured in pixels
    \param width measured in pixels
    \param height measured in pixels
    \description Pushes LCD framebuffer changes to the LCD within rectangle (=x=, =y=) -> (=x= + =width=, =y= + =height=). Notice that the smallest vertical resolution in updates that the hardware supports is 8 pixels.

void lcd_vline(int x, int y1, int y2)
    \group lcd
    \param x X coordinate
    \param y1 Y start coordinate
    \param y2 Y end coordinate
    \description Draws a vertical line at (=x=, =y1=) -> (=x=, =y2=) within current drawing mode

void lcd_yuv_set_options(unsigned options)
    \group lcd
    \conditions (LCD_DEPTH >= 16) && (defined(TOSHIBA_GIGABEAT_F) || defined(SANSA_E200) || defined(SANSA_C200)  || defined(IRIVER_H10) || defined(COWON_D2))
    \param options
    \description

void led(bool on)
    \param on
    \description

void logf(const char *fmt, ...) ATTRIBUTE_PRINTF(1, 2)
    \group misc
    \conditions (defined(ROCKBOX_HAS_LOGF))
    \param fmt
    \description

const unsigned long *audio_master_sampr_list
    \group sound
    \return
    \description

const unsigned long *hw_freq_sampr
    \group sound
    \return
    \description

const unsigned long *rec_freq_sampr
    \group sound
    \conditions defined(HAVE_RECORDING)
    \return
    \description

void *memchr(const void *s1, int c, size_t n)
    \group strings and memory
    \param s1
    \param c
    \param n
    \return
    \description

int memcmp(const void *s1, const void *s2, size_t n)
    \group strings and memory
    \param s1
    \param s2
    \param n
    \return
    \description

void* memcpy(void *out, const void *in, size_t n)
    \group strings and memory
    \param out
    \param in
    \param n
    \return
    \description Copies =n= bytes of data in memory from =in= to =out=

void* memmove(void *out, const void *in, size_t n)
    \group strings and memory
    \param out
    \param in
    \param n
    \return
    \description

void* memset(void *dst, int c, size_t length)
    \group strings and memory
    \param dst
    \param c
    \param length
    \return
    \description Fills a memory region with specified byte value =c=

int mkdir(const char *name)
    \group dir
    \param name
    \return
    \description

time_t mktime(struct tm *t)
    \group misc
    \conditions (CONFIG_RTC)
    \param t
    \return
    \description

bool mp3info(struct mp3entry *entry, const char *filename)
    \group misc
    \param entry
    \param filename
    \return FALSE if successfull
    \description The given =entry= is filled in with whatever id3 info it could find about the given =filename=

void mutex_init(struct mutex *m)
    \group kernel/ system
    \param m
    \description

void mutex_lock(struct mutex *m)
    \group kernel/ system
    \param m
    \description

void mutex_unlock(struct mutex *m)
    \group kernel/ system
    \param m
    \description

DIR* opendir(const char* name)
    \group dir
    \param name
    \return a pointer to the directory stream
    \description The opendir() function opens a directory stream corresponding to the directory name.  The stream is positioned at the first entry in the directory.

bool option_screen(const struct settings_list *setting, struct viewport parent[NB_SCREENS], bool use_temp_var, unsigned char* option_title)
    \group options
    \param setting
    \param parent[NB_SCREENS]
    \param use_temp_var
    \param option_title
    \return
    \description

void pcm_apply_settings(void)
    \group sound
    \description

void pcm_calculate_rec_peaks(int *left, int *right)
    \group sound
    \conditions defined(HAVE_RECORDING)
    \param left
    \param right
    \description

void pcm_close_recording(void)
    \group sound
    \conditions defined(HAVE_RECORDING)
    \description

void pcm_init_recording(void)
    \group sound
    \conditions defined(HAVE_RECORDING)
    \description

bool pcm_is_playing(void)
    \group sound
    \return true unless playback is paused
    \description

void pcm_play_data(pcm_more_callback_type get_more, unsigned char* start, size_t size)
    \group sound
    \param get_more Optional callback
    \param start is the address of raw 16-16, interleaved PCM data
    \param size is the size of the data to play
    \description May be used without the callback parameter in order to play a single clip. If you wish to play sound continuously, then use the callback instead and return the buffer address and size to be played from that callback. Every time that a buffer is played out, the callback is asked for the next buffer to play but without stopping and starting playback. The callback is called asynchronously in interrupt context so what you may do in there is limited.

void pcm_play_lock(void)
    \group sound
    \description

void pcm_play_stop(void)
    \group sound
    \description Stops the playback and empties the audio buffer.

void pcm_play_unlock(void)
    \group sound
    \description

void pcm_record_data(pcm_more_callback_type2 more_ready, void *start, size_t size)
    \group sound
    \conditions defined(HAVE_RECORDING)
    \param more_ready
    \param start
    \param size
    \description

void pcm_record_more(void *start, size_t size)
    \group sound
    \conditions defined(HAVE_RECORDING)
    \param start
    \param size
    \description

void pcm_set_frequency(unsigned int frequency)
    \group sound
    \param frequency
    \description

void pcm_stop_recording(void)
    \group sound
    \conditions defined(HAVE_RECORDING)
    \description

struct playlist_info *playlist_get_current(void)
    \group playback control
    \return pointer to current playlist
    \description

int playlist_amount(void)
    \group playback control
    \return the number of tracks in current playlist
    \description

int playlist_resume(void)
    \group playback control
    \return
    \description

int playlist_start(int start_index, int offset)
    \group playback control
    \param start_index
    \param offset
    \return
    \description

void* plugin_get_audio_buffer(size_t *buffer_size)
    \group misc
    \param buffer_size
    \return
    \description Steals =buffer_size= bytes from the available RAM, reducing the available buffer for audio buffering

void* plugin_get_buffer(size_t *buffer_size)
    \group misc
    \param buffer_size this is the memory size left in plugin buffer upon return
    \return a pointer to the portion of the plugin buffer that is not already being used. If no plugin is loaded, returns the entire plugin buffer.
    \description

char* plugin_get_current_filename(void)
    \group misc
    \return
    \description

void plugin_iram_init(char *iramstart, char *iramcopy, size_t iram_size, char *iedata, size_t iedata_size)
    \group misc
    \conditions (defined(PLUGIN_USE_IRAM))
    \param iramstart
    \param iramcopy
    \param iram_size
    \param iedata
    \param iedata_size
    \description

void plugin_tsr(bool (*exit_callback)(bool reenter))
    \group misc
    \param exit_callback
    \description

void PREFIX(audio_play)(long offset)
    \group playback control
    \param audio_play
    \param offset
    \description

int PREFIX(close)(int fd)
    \group file
    \param close
    \param fd
    \return 0 upon success
    \description The close() function will deallocate the file descriptor indicated by =fd=.  To deallocate means to make the file descriptor available for return by subsequent calls to open() or other functions that allocate file descriptors.

int PREFIX(creat)(const char *pathname)
    \group file
    \param creat
    \param pathname
    \return the file descriptor associated to this file
    \description Create a file with mode O_RDONLY, O_WRONLY or O_RDWR

off_t PREFIX(filesize)(int fd)
    \group file
    \param filesize
    \param fd
    \return size of a file; upon error, returns -1
    \description

int PREFIX(ftruncate)(int fd, off_t length)
    \group file
    \param ftruncate
    \param fd
    \param length
    \return
    \description Truncate file to the specified =length=

off_t PREFIX(lseek)(int fd, off_t offset, int whence)
    \group file
    \param lseek
    \param fd
    \param offset
    \param whence
    \return
    \description The lseek() function sets the file pointer associated with the open file descriptor specified by =fd= as follows: If =whence= is SEEK_SET, the pointer is set to =offset= bytes. If =whence= is SEEK_CUR, the pointer is set to its current location plus =offset=. If =whence= is SEEK_END, the pointer is set to the size of the file plus =offset=.

int PREFIX(open)(const char* pathname, int flags)
    \group file
    \param open
    \param pathname
    \param flags
    \return
    \description The open() function establishes the connection between a file and a file descriptor. It creates an open file description that refers to a file and a file descriptor that refers to that open file description. The file descriptor is used by other I/O functions to refer to that file.

ssize_t PREFIX(read)(int fd, void* buf, size_t count)
    \group file
    \param read
    \param fd
    \param buf
    \param count
    \return
    \description The read() function attempts to read =count= bytes from the file associated with the open file descriptor, =fd=, into the buffer pointed to by =buf=

int PREFIX(remove)(const char* pathname)
    \group file
    \param remove
    \param pathname
    \return
    \description remove() deletes a name from the filesystem. It calls unlink for files, and rmdir for directories.

int PREFIX(rename)(const char* path, const char* newname)
    \group file
    \param rename
    \param path points to the pathname of the file to be renamed
    \param newname points to the new pathname of the file
    \return
    \description The rename() function changes the name of a file

void PREFIX(sleep)(int ticks)
    \group kernel/ system
    \param sleep
    \param ticks
    \description Sleep a specified number of =ticks=, we have HZ ticks per second

ssize_t PREFIX(write)(int fd, const void* buf, size_t count)
    \group file
    \param write
    \param fd
    \param buf
    \param count
    \return
    \description Write writes up to =count= bytes to the file referenced by the file descriptor =fd= from the buffer starting at =buf=

void profile_func_enter(void *this_fn, void *call_site)
    \conditions (defined(RB_PROFILE))
    \param this_fn
    \param call_site
    \description

void profile_func_exit(void *this_fn, void *call_site)
    \conditions (defined(RB_PROFILE))
    \param this_fn
    \param call_site
    \description

void profile_thread(void)
    \conditions (defined(RB_PROFILE))
    \description

void profstop(void)
    \conditions (defined(RB_PROFILE))
    \description

void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *))
    \group misc
    \param base start of array
    \param nmemb number of elements
    \param size describes the size of each element of the array
    \param compar
    \description qsort sorts an array (begining at =base=) of =nmemb= objects

void queue_delete(struct event_queue *q)
    \param q
    \description

bool queue_empty(const struct event_queue *q)
    \param q
    \return
    \description

void queue_enable_queue_send(struct event_queue *q, struct queue_sender_list *send, struct thread_entry *owner)
    \param q
    \param send
    \param owner
    \description

void queue_init(struct event_queue *q, bool register_queue)
    \param q
    \param register_queue
    \description

void queue_post(struct event_queue *q, long id, intptr_t data)
    \param q
    \param id
    \param data
    \description

void queue_reply(struct event_queue *q, intptr_t retval)
    \param q
    \param retval
    \description

intptr_t queue_send(struct event_queue *q, long id, intptr_t data)
    \param q
    \param id
    \param data
    \return
    \description

void queue_wait(struct event_queue *q, struct queue_event *ev)
    \param q
    \param ev
    \description

void queue_wait_w_tmo(struct event_queue *q, struct queue_event *ev, int ticks)
    \param q
    \param ev
    \param ticks
    \description

int rand(void)
    \group misc
    \return a pseudo random number between 0 and 0x7fffffff
    \description

struct dirent* readdir(DIR* dir)
    \group dir
    \param dir
    \return a pointer to a dirent structure representing the next directory entry in the directory stream pointed to by =dir= or NULL on reaching the end-of-file or if an error occurred
    \description

int read_bmp_file(const char* filename, struct bitmap *bm, int maxsize, int format)
    \param filename
    \param bm
    \param maxsize
    \param format
    \return
    \description

int read_line(int fd, char* buffer, int buffer_size)
    \group file
    \param fd
    \param buffer
    \param buffer_size
    \return number of bytes read (which may be larger than the number of bytes stored in buffer) or upon error -1 (and buffer contains whatever could be read)
    \description Read (up to) a line of text from =fd= into =buffer=. A line is terminated by a LF char. Neither LF nor CR chars are stored in buffer.

void register_ata_idle_func(ata_idle_notify function)
    \group file
    \conditions (USING_ATA_CALLBACK)
    \param function
    \description

void reload_directory(void)
    \group file
    \description

void remote_backlight_off(void)
    \conditions (defined(HAVE_REMOTE_LCD))
    \description Turns the remote backlight off

void remote_backlight_on(void)
    \conditions (defined(HAVE_REMOTE_LCD))
    \description Turns the remote backlight on

void remote_backlight_set_timeout(int index)
    \conditions (defined(HAVE_REMOTE_LCD))
    \param index
    \description

void remote_backlight_set_timeout_plugged(int index)
    \conditions (defined(HAVE_REMOTE_LCD)) && (CONFIG_CHARGING)
    \param index
    \description

void reset_poweroff_timer(void)
    \description The function name pretty much says what it's supposed to do

int rmdir(const char *name)
    \group dir
    \param name
    \return
    \description

struct screen* screens[NB_SCREENS]
    \return
    \description

void screen_clear_area(struct screen * display, int xstart, int ystart, int width, int height)
    \param display
    \param xstart
    \param ystart
    \param width
    \param height
    \description

void screen_dump_set_hook(void (*hook)(int fh))
    \param hook
    \description

bool search_albumart_files(const struct mp3entry *id3, const char *size_string, char *buf, int buflen)
    \conditions (defined(HAVE_ALBUMART))
    \param id3
    \param size_string
    \param buf Pointer to output
    \param buflen Max length for =buf=
    \return true if an album art was found
    \description Searches the the album art file for the given =id3= struct, appending the =size_string= to the search pattern (cover.bmp). It writes the complete path into =buf=, but not more bytes than =buflen=.

void semaphore_init(struct semaphore *s, int max, int start)
    \conditions (defined(HAVE_SEMAPHORE_OBJECTS))
    \param s
    \param max
    \param start
    \description

void semaphore_release(struct semaphore *s)
    \conditions (defined(HAVE_SEMAPHORE_OBJECTS))
    \param s
    \description

void semaphore_wait(struct semaphore *s)
    \conditions (defined(HAVE_SEMAPHORE_OBJECTS))
    \param s
    \description

const struct settings_list* find_setting(const void* variable, int *id)
    \group options
    \param variable
    \param id
    \return
    \description

bool settings_parseline(char* line, char** name, char** value)
    \group file
    \param line
    \param name
    \param value
    \return false if no valid config entry was found
    \description Parse a line from a configuration file. The line format is: 'name: value'. Any whitespace before setting name or value (after ':') is ignored. A # as first non-whitespace character discards the whole line. Function sets pointers to null-terminated setting name and value.

bool set_bool(const char* string, const bool* variable )
    \group options
    \param string
    \param variable
    \return
    \description

bool set_bool_options(const char* string, const bool* variable, const char* yes_str, int yes_voice, const char* no_str, int no_voice, void (*function)(bool))
    \group options
    \param string
    \param variable
    \param yes_str
    \param yes_voice
    \param no_str
    \param no_voice
    \param function
    \return
    \description

bool set_color(struct screen *display, char *title, unsigned *color, unsigned banned_color)
    \conditions (defined(HAVE_LCD_COLOR))
    \param display
    \param title
    \param color
    \param banned_color
    \return
    \description

void set_current_file(char* path)
    \param path
    \description

void set_dirfilter(int l_dirfilter)
    \param l_dirfilter
    \description

bool set_int(const unsigned char* string, const char* unit, int voice_unit, const int* variable, void (*function)(int), int step, int min, int max, void (*formatter)(char*, size_t, int, const char*) )
    \group options
    \param string
    \param unit
    \param voice_unit
    \param variable
    \param function
    \param step
    \param min
    \param max
    \param formatter
    \return
    \description

bool set_option(const char* string, const void* variable, enum optiontype type, const struct opt_items* options, int numoptions, void (*function)(int))
    \group options
    \param string
    \param variable
    \param type
    \param options
    \param numoptions
    \param function
    \return
    \description

int set_time(const struct tm *tm)
    \group misc
    \param tm
    \return FALSE upon success
    \description Set current time
    \see get_time

int show_logo(void)
    \return
    \description

void simplelist_info_init(struct simplelist_info *info, char* title, int count, void* data)
    \group list
    \param info
    \param title
    \param count
    \param data
    \description

bool simplelist_show_list(struct simplelist_info *info)
    \group list
    \param info
    \return
    \description

void sim_lcd_ex_init(int shades, unsigned long (*getpixel)(int, int))
    \group special simulator hooks
    \conditions (defined(SIMULATOR) && LCD_DEPTH < 8))
    \param shades
    \param getpixel
    \description

void sim_lcd_ex_update_rect(int x, int y, int width, int height)
    \group special simulator hooks
    \conditions (defined(SIMULATOR) LCD_DEPTH < 8))
    \param x
    \param y
    \param width
    \param height
    \description

int snprintf(char *buf, size_t size, const char *fmt, ...) ATTRIBUTE_PRINTF(3, 4)
    \group strings and memory
    \param buf
    \param size
    \param fmt
    \return the number of characters printed or that would have been printed if the output was truncated (not including the trailing NULL character) upon success
    \description Write a formatted string =fmt= in buffer =buf= of size =size= (including the trailing NULL character). These support %c, %s, %d and %x only with the width and zero padding flag only.

int sound_default(int setting)
    \group sound
    \param setting
    \return
    \description

int sound_max(int setting)
    \group sound
    \param setting
    \return
    \description

int sound_min(int setting)
    \group sound
    \param setting
    \return
    \description

void sound_set(int setting, int value)
    \group sound
    \param setting
    \param value
    \description

void sound_set_pitch(int pitch)
    \group playback control
    \param pitch
    \description

const char * sound_unit(int setting)
    \group sound
    \param setting
    \return
    \description

int sound_val2phys(int setting, int value)
    \group sound
    \param setting
    \param value
    \return
    \description

void splash(int ticks, const char *str)
    \param ticks
    \param str
    \description Display a formatted string in a box for =ticks= time. The string is formatted as with the printf function. (there are =HZ= ticks per second)

void splashf(int ticks, const char *fmt, ...) ATTRIBUTE_PRINTF(2, 3)
    \param ticks
    \param fmt
    \description

void srand(unsigned int seed)
    \group misc
    \param seed
    \description Seed the random number generator

int strcasecmp(const char *, const char *)
    \group strings and memory
    \param
    \param
    \return an integer less than, equal to, or greater than zero if s1 is found, respectively, to be less than, to match, or be greater than s2
    \description The  strcasecmp() function compares the two strings s1 and s2, ignoring the case of the characters

char *strcat(char *s1, const char *s2)
    \group strings and memory
    \param s1
    \param s2
    \return =s1= concatenated with =s2=
    \description Appends =s2= to =s1=, replacing the NULL terminating character of =s1= and returns it

char *strchr(const char *s, int c)
    \group strings and memory
    \param s
    \param c
    \return
    \description

int strcmp(const char *, const char *)
    \group strings and memory
    \param
    \param
    \return
    \description strcmp() compares the string a to string b. If a sorts lexicographically after b, strcmp returns a number greater than zero. If the two strings match, strcmp returns zero. If a sorts lexicographically before b, strcmp returns a number less than zero.

char* strcpy(char *dst, const char *src)
    \group strings and memory
    \param dst
    \param src
    \return the initial value of =dst=
    \description strcpy() copies the string pointed to by =src= (including the terminating null character) to the array pointed to by =dst=

size_t strlen(const char *str)
    \group strings and memory
    \param str
    \return the character count
    \description The strlen() function works out the length of the string starting at =str= by counting characters until it reaches a null character.

int strncasecmp(const char *s1, const char *s2, size_t n)
    \group strings and memory
    \param s1
    \param s2
    \param n
    \return
    \description Like strcasecmp() but only on the first =n= characters
    \see strcasecmp

int strncmp(const char *, const char *, size_t)
    \group strings and memory
    \param
    \param
    \param size_t
    \return
    \description

char* strncpy(char *dst, const char *src, size_t length)
    \group strings and memory
    \param dst
    \param src
    \param length
    \return the initial value of =dst=
    \description strncpy() copies not more than =length= characters from the string pointed to by =src= (including the terminating null character) to the array pointed to by =dst=. If the string pointed to by =src= is shorter than length characters, null characters are appended to the destination array until a total of =length= characters have been written.

char * strrchr(const char *s, int c)
    \group strings and memory
    \param s
    \param c
    \return a pointer to the located character, or a null pointer if =c= does not occur in string.
    \description This function finds the last occurence of =c= (converted to a char) in the string pointed to by string (including the terminating null character)

char* strtok_r(char *ptr, const char *sep, char **end)
    \group strings and memory
    \param ptr
    \param sep
    \param end
    \return
    \description

int system_memory_guard(int newmode)
    \conditions (!defined(SIMULATOR))
    \param newmode
    \return
    \description

bool tagcache_get_next(struct tagcache_search *tcs)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \return
    \description

long tagcache_get_numeric(const struct tagcache_search *tcs, int tag)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \param tag
    \return
    \description

bool tagcache_retrieve(struct tagcache_search *tcs, int idxid, int tag, char *buf, long size)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \param idxid
    \param tag
    \param buf
    \param size
    \return
    \description

bool tagcache_search(struct tagcache_search *tcs, int tag)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \param tag
    \return
    \description

bool tagcache_search_add_filter(struct tagcache_search *tcs, int tag, int seek)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \param tag
    \param seek
    \return
    \description

void tagcache_search_finish(struct tagcache_search *tcs)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \description

void tagcache_search_set_uniqbuf(struct tagcache_search *tcs, void *buffer, long length)
    \conditions (defined(HAVE_TAGCACHE))
    \param tcs
    \param buffer
    \param length
    \description

void talk_disable(bool disable)
    \group misc
    \param disable
    \description

struct thread_entry* threads
    \group kernel/ system
    \return
    \description

void thread_exit(void)
    \group kernel/ system
    \description

void thread_thaw(struct thread_entry *thread)
    \param thread
    \description

void thread_wait(struct thread_entry *thread)
    \group kernel/ system
    \param thread
    \description

bool timer_register(int reg_prio, void (*unregister_callback)(void), long cycles, void (*timer_callback)(void) IF_COP(, int core))
    \param reg_prio
    \param unregister_callback
    \param cycles
    \param core
    \param timer_callback
    \return
    \description

bool timer_set_period(long count)
    \param count
    \return
    \description

void timer_unregister(void)
    \description

void touchscreen_set_mode(enum touchscreen_mode)
    \group button
    \conditions (defined(HAVE_TOUCHSCREEN))
    \param touchscreen_mode
    \description

struct tree_context* tree_get_context(void)
    \return
    \description

void trigger_cpu_boost(void)
    \conditions (defined(HAVE_SCHEDULER_BOOSTCTRL))
    \description Boosts the CPU for the current thread

void unregister_ata_idle_func(ata_idle_notify function, bool run)
    \group file
    \conditions (USING_ATA_CALLBACK)
    \param function
    \param run
    \description

void usb_acknowledge(long id)
    \param id
    \description

bool usb_powered(void)
    \group power
    \conditions (defined(HAVE_USB_POWER))
    \return
    \description

unsigned char* utf8encode(unsigned long ucs, unsigned char *utf8)
    \group unicode stuff
    \param ucs
    \param utf8
    \return
    \description

unsigned long utf8length(const unsigned char *utf8)
    \group unicode stuff
    \param utf8
    \return
    \description

int utf8seek(const unsigned char* utf8, int offset)
    \group unicode stuff
    \param utf8
    \param offset
    \return
    \description

unsigned char* utf16BEdecode(const unsigned char *utf16, unsigned char *utf8, int count)
    \group unicode stuff
    \param utf16
    \param utf8
    \param count
    \return
    \description

unsigned char* utf16LEdecode(const unsigned char *utf16, unsigned char *utf8, int count)
    \group unicode stuff
    \param utf16
    \param utf8
    \param count
    \return
    \description

void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
    \param vp
    \param screen
    \description

int vsnprintf(char *buf, int size, const char *fmt, va_list ap)
    \group strings and memory
    \param buf
    \param size
    \param fmt
    \param ap
    \return
    \description

void wheel_send_events(bool send)
    \conditions (defined(HAVE_WHEEL_POSITION))
    \param send
    \description

int wheel_status(void)
    \conditions (defined(HAVE_WHEEL_POSITION))
    \return
    \description

void yield(void)
    \group kernel/ system
    \description Let another thread run. This should be used as soon as you have to "wait" for something or similar, and also if you do anything that takes "a long time". This function is the entire foundation that our "cooperative multitasking" is based on. Use it!
    \see [W[RockboxKernel]]

# END