Man page - vistaioreadedges(3)

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Manual

VistaIOReadEdges

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES
SEE ALSO
DIAGNOSTICS
AUTHOR

NAME

VistaIOReadEdges - read a series of edge sets from a stream

SYNOPSIS

#include <stdio>
#include <vistaio.h>
#include <vistaio.h>

int VistaIOReadEdges ( file , attributes , edge_sets )

FILE * file ;
VistaIOAttrList *
attributes ;
VistaIOEdges (*
edge_sets )[];

ARGUMENTS

file

Specifies the open stream from which the edge sets should be read.

attributes

Returns a list of attributes read from the stream.

edge_sets

Returns a vector of pointers to edge sets read.

DESCRIPTION

VistaIOReadEdges reads a Vista data file from an open stream, collects the top-level edge sets found, and returns the edge sets separately from the file’s other contents.

RETURN VALUES

VistaIOReadEdges returns the number of edge sets obtained, or 0 if an error is encountered. A vector of the edge sets is allocated and returned via edge_sets . Any other objects found in the file are returned as an attribute list via attributes .

SEE ALSO

VistaIOReadFile (3), VistaIOReadObjects (3), stdio (3),
VistaIOEdges
(3)

DIAGNOSTICS

Besides the following, any of the diagnostics produced by VistaIOReadFile may be generated.
β€˜β€˜No edges objects present in stream.’’

No edge sets were encountered in the specified stream.

AUTHOR

David Lowe <lowe@cs.ubc.ca>

Adaption to vistaio: Gert Wollny <gw.fossdev@gmail.com>