1 #include "fd.h"

     2 

     3 int fd_move(to,from)

     4 int to;

     5 int from;

     6 {

     7   if (to == from) return 0;

     8   if (fd_copy(to,from) == -1) return -1;

     9   close(from);

    10   return 0;

    11 }