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33 * @(#)getpar.c 8.1 (Berkeley) 5/31/93
34 * $FreeBSD: src/games/trek/getpar.c,v 1.5 1999/11/30 03:49:48 billf Exp $
35 * $DragonFly: src/games/trek/getpar.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
42 ** get integer parameter
58 if (i > 0 && testterm())
60 printf("invalid input; please enter an integer\n");
66 ** get floating parameter
82 if (i > 0 && testterm())
84 printf("invalid input; please enter a double\n");
90 ** get yes/no parameter
93 struct cvntab Yntab[] =
95 "y", "es", (int (*)())1, 0,
96 "n", "o", (int (*)())0, 0,
105 r = getcodpar(s, Yntab);
106 return ((long) r->value);
111 ** get coded parameter
114 struct cvntab *getcodpar(s, tab)
128 flag |= (f = testnl());
132 cgetc(0); /* throw out the newline */
134 if ((c = scanf("%[^ \t;\n]", input)) < 0)
140 /* if command list, print four per line */
141 if (input[0] == '?' && input[1] == 0)
144 for (r = tab; r->abrev; r++)
146 concat(r->abrev, r->full, input);
147 printf("%14.14s", input);
158 /* search for in table */
159 for (r = tab; r->abrev; r++)
162 for (q = r->abrev; *q; q++)
167 for (q = r->full; *p && *q; q++, p++)
175 /* check for not found */
178 printf("invalid input; ? for valid inputs\n");
188 ** get string parameter
191 getstrpar(s, r, l, t)
203 (void)sprintf(format, "%%%d[^%s]", l, t);
206 if ((f = testnl()) && s)
211 i = scanf(format, r);
221 ** test if newline is next valid character
228 while ((c = cgetc(0)) != '\n')
229 if ((c >= '0' && c <= '9') || c == '.' || c == '!' ||
230 (c >= 'A' && c <= 'Z') ||
231 (c >= 'a' && c <= 'z') || c == '-')
257 ** test for valid terminator
268 if (c == '\n' || c == ';')
275 ** TEST FOR SPECIFIED DELIMETER
277 ** The standard input is scanned for the parameter. If found,
278 ** it is thrown away and non-zero is returned. If not found,