2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#) Copyright (c) 1992, 1993 The Regents of the University of California. All rights reserved.
30 * @(#)pig.c 8.2 (Berkeley) 5/4/95
31 * $FreeBSD: src/games/pig/pig.c,v 1.7 1999/11/30 03:49:08 billf Exp $
32 * $DragonFly: src/games/pig/pig.c,v 1.4 2005/04/25 16:10:24 liamfoy Exp $
35 #include <sys/types.h>
43 void pigout (char *, int);
47 main(int argc
, char **argv
)
53 while ((ch
= getopt(argc
, argv
, "")) != -1)
62 for (len
= 0; (ch
= getchar()) != EOF
;) {
64 if (len
>= (int)sizeof(buf
)) {
65 (void)fprintf(stderr
, "pig: ate too much!\n");
81 pigout(char *buf
, int len
)
87 * If the word starts with a vowel, append "way". Don't treat 'y'
88 * as a vowel if it appears first.
90 if (index("aeiouAEIOU", buf
[0]) != NULL
) {
91 (void)printf("%.*sway", len
, buf
);
96 * Copy leading consonants to the end of the word. The unit "qu"
97 * isn't treated as a vowel.
99 for (start
= 0, olen
= len
;
100 !index("aeiouyAEIOUY", buf
[start
]) && start
< olen
;) {
101 ch
= buf
[len
++] = buf
[start
++];
102 if ((ch
== 'q' || ch
== 'Q') && start
< olen
&&
103 (buf
[start
] == 'u' || buf
[start
] == 'U'))
104 buf
[len
++] = buf
[start
++];
106 (void)printf("%.*say", olen
, buf
+ start
);
112 (void)fprintf(stderr
, "usage: pig\n");