From 37da2899f40661e3e9631e497da8dc59b971cbd0 Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Fri, 22 Dec 2006 17:07:39 +0000
Subject: 20060303a

---
 libkern/strstr.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 libkern/strstr.c

(limited to 'libkern/strstr.c')

diff --git a/libkern/strstr.c b/libkern/strstr.c
new file mode 100644
index 00000000..b9d8a35e
--- /dev/null
+++ b/libkern/strstr.c
@@ -0,0 +1,21 @@
+#include <lib9.h>
+
+/*
+ * Return pointer to first occurrence of s2 in s1,
+ * 0 if none
+ */
+char*
+strstr(char *s1, char *s2)
+{
+	char *p;
+	int f, n;
+
+	f = s2[0];
+	if(f == 0)
+		return s1;
+	n = strlen(s2);
+	for(p=strchr(s1, f); p; p=strchr(p+1, f))
+		if(strncmp(p, s2, n) == 0)
+			return p;
+	return 0;
+}
-- 
cgit v1.2.3