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POSIX 1003.1 - man page for ndbm.h (posix section 0p)

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

NAME
ndbm.h - definitions for ndbm database operations
SYNOPSIS
#include <ndbm.h>
DESCRIPTION
The <ndbm.h> header shall define the datum type as a structure that includes at least the following members: void *dptr A pointer to the application's data. size_t dsize The size of the object pointed to by dptr. The size_t type shall be defined as described in <stddef.h> . The <ndbm.h> header shall define the DBM type. The following constants shall be defined as possible values for the store_mode argument to dbm_store(): DBM_INSERT Insertion of new entries only. DBM_REPLACE Allow replacing existing entries. The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided. int dbm_clearerr(DBM *); void dbm_close(DBM *); int dbm_delete(DBM *, datum); int dbm_error(DBM *); datum dbm_fetch(DBM *, datum); datum dbm_firstkey(DBM *); datum dbm_nextkey(DBM *); DBM *dbm_open(const char *, int, mode_t); int dbm_store(DBM *, datum, datum, int); The mode_t type shall be defined through typedef as described in <sys/types.h> . The following sections are informative.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
<stddef.h> , <sys/types.h> , the System Interfaces volume of IEEE Std 1003.1-2001, dbm_clearerr()
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 Speci- fications 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 original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE
/The Open Group 2003 <ndbm.h>(P)


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