1 files changed, 29 insertions, 0 deletions
diff --git a/libc/string/memchr.c b/libc/string/memchr.c
new file mode 100644
index 00000000..c3fe751c
--- /dev/null
+++ b/libc/string/memchr.c
@@ -0,0 +1,29 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include "string.h"
+
+
+void *
+memchr(const void *ptr, int c, size_t n)
+{
+	unsigned char ch = (unsigned char)c;
+	const unsigned char *p = ptr;
+
+	while (n-- > 0) {
+		if (*p == ch)
+			return (void *)p;
+		p += 1;
+	}
+
+	return NULL;
+}