1.4.0

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

missing/strchr.c

@@ -0,0 +1,45 @@
+/*
+ * strchr --- search a string for a character
+ *
+ * We supply this routine for those systems that aren't standard yet.
+ */
+
+#include <stdio.h>
+
+char *
+strchr(str, c)
+register const char *str, c;
+{
+	if (c == '\0') {
+		/* thanks to Mike Brennan ... */
+		do {
+			if (*str == c)
+				return (char *) str;
+		} while (*str++);
+	} else {
+		for (; *str; str++)
+			if (*str == c)
+				return (char *) str;
+	}
+
+	return NULL;
+}
+
+/*
+ * strrchr --- find the last occurrence of a character in a string
+ *
+ * We supply this routine for those systems that aren't standard yet.
+ */
+
+char *
+strrchr(str, c)
+register const char *str, c;
+{
+	register const char *save = NULL;
+
+	for (; *str; str++)
+		if (*str == c)
+			save = str;
+
+	return (char *) save;
+}