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편집 파일: stdlib-bsearch.h

/* Perform binary search - inline version. Copyright (C) 1991-2021 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; if not, see <https://www.gnu.org/licenses/>. */ __extern_inline void * bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size, __compar_fn_t __compar) { size_t __l, __u, __idx; const void *__p; int __comparison; __l = 0; __u = __nmemb; while (__l < __u) { __idx = (__l + __u) / 2; __p = (const void *) (((const char *) __base) + (__idx * __size)); __comparison = (*__compar) (__key, __p); if (__comparison < 0) __u = __idx; else if (__comparison > 0) __l = __idx + 1; else { #if __GNUC_PREREQ(4, 6) # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wcast-qual" #endif return (void *) __p; #if __GNUC_PREREQ(4, 6) # pragma GCC diagnostic pop #endif } } return NULL; }