k-chow/libs/libc/strncmp.c

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#include <string.h>
int strncmp(const char *s1, const char *s2, size_t n)
{
for (; *s1 == *s2 && *s1 != '\0' && n > 0; s1++, s2++, n--)
continue;
return n ? *s1 - *s2 : 0;
}