1 /*
2 ** getanswer.c -- get a yes/no answer from the user
3 **
4 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
5 ** COPYRIGHT file in the root directory of the nmh distribution for
6 ** complete copyright information.
7 */
8 
9 #include <h/mh.h>
10 #include <stdio.h>
11 #include <unistd.h>
12 
13 
14 int
getanswer(char * prompt)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 }
24