Libc-262.tar.gz

[apple/libc.git] / string / strchr.c

diff --git a/string/strchr.c b/string/strchr.c
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+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/* Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
+ *
+ *     File:   libc/string/strchr.c
+ *
+ *     This file contains machine independent code for string index
+ *
+ * HISTORY
+ * 24-Nov-92  Derek B Clegg (dclegg@next.com)
+ *     Created.
+ */
+#import <string.h>
+
+/* This routine needs to be optimized. */
+
+char *strchr(const char *s, int c)
+{
+    const char ch = c;
+
+    for ( ; *s != ch; s++)
+        if (*s == '\0')
+            return 0;
+    return (char *)s;
+}