games/larn/nap.c

   1 /*      $NetBSD$        */
   2
   3 /* nap.c                 Larn is copyrighted 1986 by Noah Morgan. */
   4 #include <sys/cdefs.h>
   5 #ifndef lint
   6 __RCSID("$NetBSD$");
   7 #endif                          /* not lint */
   8
   9 #include <unistd.h>
  10 #include "header.h"
  11 #include "extern.h"
  12
  13 /*
  14  *      routine to take a nap for n milliseconds
  15  */
  16 void
  17 nap(x)
  18         int    x;
  19 {
  20         if (x <= 0)
  21                 return;         /* eliminate chance for infinite loop */
  22         lflush();
  23         usleep(x * 1000);
  24 }