29 lines
569 B
C
29 lines
569 B
C
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#include <string.h>
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#include <ctype.h>
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int strcasecmp(const char *s1, const char *s2)
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{
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while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) {
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s1++;
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s2++;
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}
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return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
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}
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int strncasecmp(const char *s1, const char *s2, size_t n)
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{
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if(!n)
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return 0;
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while (n-- != 0 && tolower(*s1) == tolower(*s2)) {
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if(n == 0 || *s1 == '\0')
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break;
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s1++;
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s2++;
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}
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return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
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}
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