search.h revision 102227
1/* $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $ */ 2/* $FreeBSD: head/include/search.h 102227 2002-08-21 16:20:02Z mike $ */ 3 4/* 5 * Written by J.T. Conklin <jtc@netbsd.org> 6 * Public domain. 7 */ 8 9#ifndef _SEARCH_H_ 10#define _SEARCH_H_ 11 12#include <sys/cdefs.h> 13#include <sys/_types.h> 14 15#ifndef _SIZE_T_DECLARED 16typedef __size_t size_t; 17#define _SIZE_T_DECLARED 18#endif 19 20typedef struct entry { 21 char *key; 22 void *data; 23} ENTRY; 24 25typedef enum { 26 FIND, ENTER 27} ACTION; 28 29typedef enum { 30 preorder, 31 postorder, 32 endorder, 33 leaf 34} VISIT; 35 36#ifdef _SEARCH_PRIVATE 37typedef struct node { 38 char *key; 39 struct node *llink, *rlink; 40} node_t; 41#endif 42 43__BEGIN_DECLS 44int hcreate(size_t); 45void hdestroy(void); 46ENTRY *hsearch(ENTRY, ACTION); 47void *tdelete(const void *__restrict, void **__restrict, 48 int (*)(const void *, const void *)); 49void *tfind(const void *, void **, int (*)(const void *, const void *)); 50void *tsearch(const void *, void **, int (*)(const void *, const void *)); 51void twalk(const void *, void (*)(const void *, VISIT, int)); 52__END_DECLS 53 54#endif /* !_SEARCH_H_ */ 55