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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

Index

NAME

SYNOPSIS

DESCRIPTION

APPLICATION USAGE

RATIONALE

FUTURE DIRECTIONS

SEE ALSO

COPYRIGHT

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