1 files changed, 132 insertions, 0 deletions
diff --git a/games/pig/pig.c b/games/pig/pig.c
new file mode 100644
index 00000000000..b5bec38566d
--- /dev/null
+++ b/games/pig/pig.c
@@ -0,0 +1,132 @@
+/*	$NetBSD: pig.c,v 1.2 1995/03/23 08:41:40 cgd Exp $	*/
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1992, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)pig.c	8.1 (Berkeley) 5/31/93";
+#else
+static char rcsid[] = "$NetBSD: pig.c,v 1.2 1995/03/23 08:41:40 cgd Exp $";
+#endif
+#endif /* not lint */
+
+#include <sys/types.h>
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void pigout __P((char *, int));
+void usage __P((void));
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	register int len;
+	int ch;
+	char buf[1024];
+
+	while ((ch = getopt(argc, argv, "")) != EOF)
+		switch(ch) {
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	for (len = 0; (ch = getchar()) != EOF;) {
+		if (isalpha(ch)) {
+			if (len >= sizeof(buf)) {
+				(void)fprintf(stderr, "pig: ate too much!\n");
+				exit(1);
+			}
+			buf[len++] = ch;
+			continue;
+		}
+		if (len != 0) {
+			pigout(buf, len);
+			len = 0;
+		}
+		(void)putchar(ch);
+	}
+	exit(0);
+}
+
+void
+pigout(buf, len)
+	char *buf;
+	int len;
+{
+	register int ch, start;
+	int olen;
+
+	/*
+	 * If the word starts with a vowel, append "way".  Don't treat 'y'
+	 * as a vowel if it appears first.
+	 */
+	if (index("aeiouAEIOU", buf[0]) != NULL) {
+		(void)printf("%.*sway", len, buf);
+		return;
+	}
+
+	/*
+	 * Copy leading consonants to the end of the word.  The unit "qu"
+	 * isn't treated as a vowel.
+	 */
+	for (start = 0, olen = len;
+	    !index("aeiouyAEIOUY", buf[start]) && start < olen;) {
+		ch = buf[len++] = buf[start++];
+		if ((ch == 'q' || ch == 'Q') && start < olen &&
+		    (buf[start] == 'u' || buf[start] == 'U'))
+			buf[len++] = buf[start++];
+	}
+	(void)printf("%.*say", olen, buf + start);
+}
+
+void
+usage()
+{
+	(void)fprintf(stderr, "usage: pig\n");
+	exit(1);
+}