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/* memmove - some systems lack this */

#include "expect_cf.h"

#include "tcl.h"

/* like memcpy but can handle overlap */

#ifndef HAVE_MEMMOVE

char *

memmove(dest,src,n)

VOID *dest;

CONST VOID *src;

int n;

{

        char *d;

        CONST char *s;

        d = dest;

        s = src;

        if (s<d && (d < s+n)) {

                for (d+=n, s+=n; 0<n; --n)

                        *--d = *--s;

        } else for (;0<n;--n) *d++ = *s++;

        return dest;

}

#endif /* HAVE_MEMMOVE */