1 #include "byte.h"

     2 

     3 void byte_copy(to,n,from)

     4 register char *to;

     5 register unsigned int n;

     6 register char *from;

     7 {

     8   for (;;) {

     9     if (!n) return; *to++ = *from++; --n;

    10     if (!n) return; *to++ = *from++; --n;

    11     if (!n) return; *to++ = *from++; --n;

    12     if (!n) return; *to++ = *from++; --n;

    13   }

    14 }