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memcmp.c
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C/C++ Source or Header
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1996-09-28
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397b
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21 lines
/* $Id: memcmp.c,v 1.3 93/05/05 21:18:11 sjg Exp $ */
#include <string.h>
int
memcmp(dap, sap, n)
const void *dap;
const void *sap;
register size_t n;
{
register const unsigned char *dp = (unsigned char const *) dap;
register const unsigned char *sp = (unsigned char const *) sap;
if (n++ > 0)
while (--n > 0)
if (*dp++ != *sp++)
return *--dp - *--sp; /* (int)? */
return 0;
}