1 /* 2 * Copyright (c) 2024 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef _KERN_QSORT_H_ 30 #define _KERN_QSORT_H_ 31 32 #include <stddef.h> 33 34 __BEGIN_DECLS 35 36 /* 37 * The `cmpfunc_t` type is a pointer to a function that should return the 38 * following: 39 * 40 * return < 0 for a < b 41 * 0 for a == b 42 * > 0 for a > b 43 */ 44 typedef int (*cmpfunc_t)(const void *a, const void *b); 45 46 __private_extern__ 47 void 48 qsort(void *array, size_t num_elements, size_t element_size, cmpfunc_t compare); 49 50 __END_DECLS 51 52 #endif /* _KERN_QSORT_H_ */ 53