File: byte_copy.c

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#include "byte.h"

void byte_copy(xto,n,xfrom)
register void *xto;
register unsigned int n;
register void *xfrom;
{
  char *from = xfrom;
  char *to = xto;
  for (;;) {
    if (!n) return; *to++ = *from++; --n;
    if (!n) return; *to++ = *from++; --n;
    if (!n) return; *to++ = *from++; --n;
    if (!n) return; *to++ = *from++; --n;
  }
}