memcmp.c - scc - simple c99 compiler
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       ---
       memcmp.c (230B)
       ---
            1 #include <string.h>
            2 
            3 #undef memcmp
            4 
            5 int
            6 memcmp(const void *s1, const void *s2, size_t n)
            7 {
            8         const unsigned char *s = s1;
            9         const unsigned char *t = s2;
           10 
           11         for (; n > 0 && *s == *t; --n)
           12                 ++s, ++t;
           13 
           14         return (n > 0) ? *s - *t : 0;
           15 }