/ bcmp.s (emx+gcc) -- Copyright (c) 1990-1996 by Eberhard Mattes

#include <emx/asm386.h>

        .globl __bcmp

/ int _bcmp (const void *s1, const void *s2, size_t n)
/ {
/   size_t i;
/
/   for (i = 0; i < n; ++i)
/     if (s1[i] != s2[i])
/       return 1;
/   return 0;
/ }

/ assumes ds=es!

        .text

        ALIGN

__bcmp:
        PROFILE_NOFRAME
        pushl   %esi
        pushl   %edi
        movl    3*4(%esp), %edi         /* s1 */
        movl    4*4(%esp), %esi         /* s2 */
        movl    5*4(%esp), %ecx         /* n */
        xorl    %eax, %eax
        jecxz   1f                      /* return 0 */
        repe
        cmpsb
        je      1f
        incl    %eax                    /* return 1 */
1:      popl    %edi
        popl    %esi
        EPILOGUE(_bcmp)