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Linux 2.6 - man page for search.h (linux section 7posix)

<search.h>(P)			    POSIX Programmer's Manual			    <search.h>(P)

NAME
       search.h - search tables

SYNOPSIS
       #include <search.h>

DESCRIPTION
       The  <search.h> header shall define the ENTRY type for structure entry which shall include
       the following members:

	      char    *key
	      void    *data

       and shall define ACTION and VISIT as enumeration data types through  type  definitions  as
       follows:

	      enum { FIND, ENTER } ACTION;
	      enum { preorder, postorder, endorder, leaf } VISIT;

       The size_t type shall be defined as described in <sys/types.h> .

       The  following  shall be declared as functions and may also be defined as macros. Function
       prototypes shall be provided.

	      int    hcreate(size_t);
	      void   hdestroy(void);
	      ENTRY *hsearch(ENTRY, ACTION);
	      void   insque(void *, void *);
	      void  *lfind(const void *, const void *, size_t *,
			size_t, int (*)(const void *, const void *));
	      void  *lsearch(const void *, void *, size_t *,
			size_t, int (*)(const void *, const void *));
	      void   remque(void *);
	      void  *tdelete(const void *restrict, void **restrict,
			int(*)(const void *, const void *));
	      void  *tfind(const void *, void *const *,
			int(*)(const void *, const void *));
	      void  *tsearch(const void *, void **,
			int(*)(const void *, const void *));
	      void   twalk(const void *,
			void (*)(const void *, VISIT, int ));

       The following sections are informative.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       <sys/types.h> , the System Interfaces volume of IEEE Std 1003.1-2001, hcreate(), insque(),
       lsearch(), remque(), tsearch()

COPYRIGHT
       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable	Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				    <search.h>(P)


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