libc.obj:

- Formatted by clang-format (WebKit-style).
- Removed unnecessary errno linux. 
- Added KOS error codes. 
- String functions have been replaced with more optimal ones for x86. 
- Changed wrappers for 70 sysfunction.

git-svn-id: svn://kolibrios.org@9765 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/ktcc/trunk/libc.obj/source/string/strrchr.c

@@ -1,27 +1,18 @@
-/* strrchr( const char *, int )
-
-   This file is part of the Public Domain C Library (PDCLib).
-   Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-#include <string.h>
-
-char * strrchr( const char * s, int c )
-{
-    size_t i = 0;
-
-    while ( s[i++] )
-    {
-        /* EMPTY */
-    }
-
-    do
-    {
-        if ( s[--i] == ( char ) c )
-        {
-            return ( char * ) s + i;
-        }
-    } while ( i );
-
-    return NULL;
-}
+/* Copyright (C) 1996 DJ Delorie, see COPYING.DJ for details */
+/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
+#include "unconst.h"
+#include <string.h>
+
+char* strrchr(const char* s, int c)
+{
+    char cc = c;
+    const char* sp = (char*)0;
+    while (*s) {
+        if (*s == cc)
+            sp = s;
+        s++;
+    }
+    if (cc == 0)
+        sp = s;
+    return unconst(sp, char*);
+}