user/testkbd.c

   1
   2 #include <inc/lib.h>
   3
   4 void
   5 umain(void)
   6 {
   7         int r;
   8
   9         close(0);
  10         if ((r = opencons()) < 0)
  11                 panic("opencons: %e", r);
  12         if (r != 0)
  13                 panic("first opencons used fd %d", r);
  14         if ((r = dup(0, 1)) < 0)
  15                 panic("dup: %e", r);
  16
  17         for(;;){
  18                 char *buf;
  19
  20                 buf = readline("Type a line: ");
  21                 if (buf != NULL)
  22                         fprintf(1, "%s\n", buf);
  23                 else
  24                         fprintf(1, "(end of file received)\n");
  25         }
  26 }