33 lines
581 B
C
33 lines
581 B
C
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#include <string.h>
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#include <ctype.h>
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#ifndef strcasecmp
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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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#endif
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#ifndef strncasecmp
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int strncasecmp(const char *s1, const char *s2, size_t n)
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{
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int d = 0;
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for(; n != 0; n--)
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{
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int c1 = tolower(*s1++);
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int c2 = tolower(*s2++);
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if((d = c1 - c2) != 0 || c2 == '\0')
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break;
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}
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return d;
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}
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#endif
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