Add new gai.c debug source.

[~andy/fetchmail] / strstr.c

diff --git a/strstr.c b/strstr.c
index 5b80fe430a2531a1c558589c077dfb000d52e067..b2deeae5c3b1ad0719d5d8ecfd89a8b8958495b2 100644 (file)
--- a/strstr.c
+++ b/strstr.c
@@ -1,70 +1,36 @@
 /*
- * strstr.c -- return the offset of one string within another.
- *
- * Copyright (C) 1997 Free Software Foundation, Inc. 
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2, or (at your option) any later
- * version. 
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details. 
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
- */
-
-/* Written by Philippe De Muyter <phdm@info.ucl.ac.be>.  */
-
-/*
- * NAME 
- *
  * strstr -- locate first occurence of a substring 
  *
- * SYNOPSIS 
- *
- * char *strstr (char *s1, char *s2) 
- *
- * DESCRIPTION 
- *
- * Locates the first occurence in the string pointed to by S1 of the string
+ * Locates the first occurrence in the string pointed to by S1 of the string
  * pointed to by S2.  Returns a pointer to the substring found, or a NULL
  * pointer if not found.  If S2 points to a string with zero length, the
  * function returns S1. 
  *
- * BUGS 
- *
+ * For license terms, see the file COPYING in this directory.
  */
 
-char *
-strstr (buf, sub)
-     register char *buf;
-     register char *sub;
+char *strstr(register char *buf, register char *sub)
 {
-  register char *bp;
+    register char *bp;
 
-  if (!*sub)
-    return buf;
-  for (;;)
+    if (!*sub)
+       return buf;
+    for (;;)
     {
-      if (!*buf)
-       break;
-      bp = buf;
-      for (;;)
-       {
-         if (!*sub)
-           return buf;
-         if (*bp++ != *sub++)
+       if (!*buf)
            break;
+       bp = buf;
+       for (;;)
+       {
+           if (!*sub)
+               return buf;
+           if (*bp++ != *sub++)
+               break;
        }
-      sub -= (unsigned long) bp;
-      sub += (unsigned long) buf;
-      buf += 1;
+       sub -= (unsigned long) bp;
+       sub += (unsigned long) buf;
+       buf += 1;
     }
-  return 0;
+    return 0;
 }