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.TH NDBM.H 3HEAD "Aug 30, 2002"
.SH NAME
ndbm.h, ndbm \- definitions for ndbm database operations
.SH SYNOPSIS
.LP
.nf
\fB#include <ndbm.h>\fR
.fi

.SH DESCRIPTION
.sp
.LP
The \fB<ndbm.h>\fR header defines the  \fBdatum\fR type as a  structure that
includes at least the following members:
.sp
.in +2
.nf
void   *dptr     /* pointer to the application's data */
size_t dsize     /* size of the object pointed to by dptr */
.fi
.in -2

.sp
.LP
The \fBsize_t\fR type is defined through \fBtypedef\fR as described in
<\fBstddef.h\fR>.
.sp
.LP
The  <\fBndbm.h\fR> header defines the  \fBDBM\fR type through \fBtypedef\fR.
.sp
.LP
The following constants are defined as possible values for the \fIstore_mode\fR
argument to  \fBdbm_store()\fR:
.sp
.ne 2
.na
\fB\fBDBM_INSERT\fR \fR
.ad
.RS 16n
Insertion of new entries only.
.RE

.sp
.ne 2
.na
\fB\fBDBM_REPLACE\fR \fR
.ad
.RS 16n
Allow replacing existing entries.
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard
.TE

.SH SEE ALSO
.sp
.LP
.BR ndbm (3C),
.BR attributes (7),
.BR standards (7)