/* Simple strchr. Copyright (C) 2022 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see . */ #include char *strchr (const char *s, int c) { unsigned char uc = c; const unsigned char *us = (const unsigned char *) s; for (; *us != uc; us++) if (*us == 0) return NULL; return (char *) us; } weak_alias (strchr, index) libc_hidden_builtin_def (strchr)