.\" $Id: pvm_lookup.3,v 1.2 1996/10/08 18:33:37 pvmsrc Exp $
.TH LOOKUP 3PVM "27 June, 1994" "" "PVM Version 3.4"
.SH NAME
pvm_lookup \- retrieve data from pvmd database
.br
[In Version 3.4: Relaced by pvm_getinfo]

.SH SYNOPSIS
.nf
.ft B
C	int cc = pvm_lookup( char *name, int index, int *data )
.br

Fortran	Not available
.fi

.SH PARAMETERS
.IP name 0.8i
The class name, a null-terminated string.
.IP index 0.8i
The class index, >= 0 or -1 for first available.
.IP data 0.8i
Returns the data stored in the <name, index> entry.

.SH DESCRIPTION
See pvm_insert(3PVM) for a description of this database.

\fIpvm_lookup\fR
retrieves data stored in the location given by <name, index>.
If index is -1,
the data stored at the first existing index in the named class
is returned.

.\".SH EXAMPLES

.SH ERRORS
If successful, pvm_lookup returns the index at which the data was stored
(>= 0),
otherwise it returns a negative error code:
.IP PvmBadParam
giving an invalid argument value.
.IP PvmNoEntry
the requested <name, index> pair does not exist.
.PP
.SH SEE ALSO
pvm_delete(3PVM),
pvm_insert(3PVM)