From 8b58e81077abf4e843873f16c03077e2fafce52d Mon Sep 17 00:00:00 2001
From: kaashoek <kaashoek>
Date: Wed, 23 Aug 2006 01:09:24 +0000
Subject: i/o redirection in sh better parsing of sh commands (copied from jos
 sh) cat: read from 1 if no args sbrk system call, but untested getpid system
 call moved locks in keyboard intr, but why do we get intr w. null characters
 from keyboard?

---
 ulib.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'ulib.c')

diff --git a/ulib.c b/ulib.c
index 004b934..c6c7f19 100644
--- a/ulib.c
+++ b/ulib.c
@@ -20,6 +20,14 @@ strcpy(char *s, char *t)
 	return os;
 }
 
+int
+strcmp(const char *p, const char *q)
+{
+	while (*p && *p == *q)
+		p++, q++;
+	return (int) ((unsigned char) *p - (unsigned char) *q);
+}
+
 unsigned int
 strlen(char *s)
 {
@@ -40,6 +48,15 @@ memset(void *dst, int c, unsigned int n)
   return dst;
 }
 
+char *
+strchr(const char *s, char c)
+{
+	for (; *s; s++)
+		if (*s == c)
+			return (char *) s;
+	return 0;
+}
+
 char *
 gets(char *buf, int max)
 {
-- 
cgit v1.2.3