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memcmp.c
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C/C++ Source or Header
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1990-07-19
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428b
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26 lines
#include <lib.h>
/* memcmp - compare bytes */
#include <string.h>
int memcmp(s1, s2, size)
_CONST _VOIDSTAR s1; /* <0, == 0, >0 */
_CONST _VOIDSTAR s2;
size_t size;
{
register _CONST char *scan1;
register _CONST char *scan2;
register size_t n;
scan1 = (char *) s1;
scan2 = (char *) s2;
for (n = size; n > 0; n--)
if (*scan1 == *scan2) {
scan1++;
scan2++;
} else
return(*scan1 - *scan2);
return(0);
}