i386/junos/ucla/src/lab5/user/testkbd.c

   1 #include <inc/lib.h>
   2
   3 asmlinkage void
   4 umain(int argc, char **argv)
   5 {
   6         int r;
   7
   8         close(0);
   9         if ((r = opencons()) < 0)
  10                 panic("opencons: %e", r);
  11         if (r != 0)
  12                 panic("first opencons used fd %d", r);
  13         if ((r = dup(0, 1)) < 0)
  14                 panic("dup: %e", r);
  15
  16         for(;;){
  17                 char *buf;
  18
  19                 buf = readline("Type a line: ");
  20                 if (buf != NULL)
  21                         fprintf(1, "%s\n", buf);
  22                 else
  23                         fprintf(1, "(end of file received)\n");
  24         }
  25 }