1 /* gans.c - get an answer from the user */
3 static char ident[] = "@(#)$Id: gans.c,v 1.2 1992/10/26 22:50:52 jromine Exp $";
11 register char *prompt;
12 register struct swit *ansp;
16 register struct swit *ap;
20 printf ("%s", prompt);
21 (void) fflush (stdout);
23 while ((i = getchar ()) != '\n') {
26 if (cp < &ansbuf[sizeof ansbuf - 1]) {
28 i = (isalpha(i) && isupper(i)) ? tolower(i) : i;
30 if (i >= 'A' && i <= 'Z')
37 if (ansbuf[0] == '?' || cp == ansbuf) {
38 printf ("Options are:\n");
39 for (ap = ansp; ap -> sw; ap++)
40 printf (" %s\n", ap -> sw);
43 if ((i = smatch (ansbuf, ansp)) < 0) {
44 printf ("%s: %s.\n", ansbuf, i == -1 ? "unknown" : "ambiguous");