1680a9cb8SJohn Marino /* Scan memory for the first of two bytes. 2*09d4459fSDaniel Fojt Copyright (C) 2008-2020 Free Software Foundation, Inc. 3680a9cb8SJohn Marino 4680a9cb8SJohn Marino This program is free software: you can redistribute it and/or modify 5680a9cb8SJohn Marino it under the terms of the GNU General Public License as published by 6680a9cb8SJohn Marino the Free Software Foundation; either version 3 of the License, or 7680a9cb8SJohn Marino (at your option) any later version. 8680a9cb8SJohn Marino 9680a9cb8SJohn Marino This program is distributed in the hope that it will be useful, 10680a9cb8SJohn Marino but WITHOUT ANY WARRANTY; without even the implied warranty of 11680a9cb8SJohn Marino MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12680a9cb8SJohn Marino GNU General Public License for more details. 13680a9cb8SJohn Marino 14680a9cb8SJohn Marino You should have received a copy of the GNU General Public License 15*09d4459fSDaniel Fojt along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16680a9cb8SJohn Marino 17680a9cb8SJohn Marino #include <stddef.h> 18680a9cb8SJohn Marino 19680a9cb8SJohn Marino #ifdef __cplusplus 20680a9cb8SJohn Marino extern "C" { 21680a9cb8SJohn Marino #endif 22680a9cb8SJohn Marino 23680a9cb8SJohn Marino /* Return the first address of either C1 or C2 (treated as unsigned 24680a9cb8SJohn Marino char) that occurs within N bytes of the memory region S. If 25680a9cb8SJohn Marino neither byte appears, return NULL. */ 26680a9cb8SJohn Marino 27680a9cb8SJohn Marino extern void *memchr2 (void const *s, int c1, int c2, size_t n) 28680a9cb8SJohn Marino _GL_ATTRIBUTE_PURE; 29680a9cb8SJohn Marino 30680a9cb8SJohn Marino #ifdef __cplusplus 31680a9cb8SJohn Marino } 32680a9cb8SJohn Marino #endif 33