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-rw-r--r--strstr.c72
1 files changed, 19 insertions, 53 deletions
diff --git a/strstr.c b/strstr.c
index 5b80fe43..b2deeae5 100644
--- 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;
}