i-bash/lib/sh/strchrnul.c

/* Searching in a string.
   Copyright (C) 2012 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */

#include <config.h>
#include <stdio.h>

/* Specification.  */
#include <string.h>

/* Find the first occurrence of C in S or the final NUL byte.  */
char *
strchrnul (s, c_in)
     const char *s;
     int c_in;
{
  char c;
  register char *s1;

  for (c = c_in, s1 = (char *)s; s1 && *s1 && *s1 != c; s1++)
    ;
  return (s1);
}