# HG changeset patch
# User Paul Eggert <eggert@cs.ucla.edu>
# Date 1063177843 0
# Node ID 7779e842b2e1d8be66630f96702c5be90ce1d4a4
# Parent  7135d3d3d962c4456fcab840293c80c16d438fc8
Remove K&R cruft.

diff --git a/lib/strchrnul.c b/lib/strchrnul.c
--- a/lib/strchrnul.c
+++ b/lib/strchrnul.c
@@ -20,12 +20,11 @@
 
 /* Find the first occurrence of C in S or the final NUL byte.  */
 char *
-strchrnul (s, c_in)
-     const char *s;
-     int c_in;
+strchrnul (const char *s, int c_in)
 {
-  while (*s && (*s != c_in))
+  unsigned char c = c_in;
+  while (*s && (*s != c))
     s++;
 
-  return (char*) s;
+  return (char *) s;
 }
diff --git a/m4/strchrnul.m4 b/m4/strchrnul.m4
--- a/m4/strchrnul.m4
+++ b/m4/strchrnul.m4
@@ -1,4 +1,4 @@
-# strchrnul.m4 serial 1
+# strchrnul.m4 serial 2
 dnl Copyright (C) 2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
@@ -18,6 +18,4 @@
 ])
 
 # Prerequisites of lib/strchrnul.c.
-AC_DEFUN([gl_PREREQ_STRCHRNUL], [
-  AC_CHECK_HEADERS_ONCE(string.h)
-])
+AC_DEFUN([gl_PREREQ_STRCHRNUL], [:])