diplodocus.org Git - nmh/blob - sbr/getanswer.c

   1
   2 /*
   3  * getanswer.c -- get a yes/no answer from the user
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <stdio.h>
  12
  13
  14 int
  15 getanswer (char *prompt)
  16 {
  17     static int interactive = -1;
  18
  19     if (interactive < 0)
  20         interactive = isatty (fileno (stdin)) ? 1 : 0;
  21
  22     return (interactive ? gans (prompt, anoyes) : 1);
  23 }