---
name: "VistaIOWriteEdges"
section: "3"
platform: "linux"
package: "libvistaio-dev"
version: "1.2.19-3+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/VistaIOWriteEdges"
---

# VistaIOWriteEdges(3)

write a series of edge sets to a stream

## NAME

VistaIOWriteEdges - write a series of edge sets to a stream

## SYNOPSIS

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

**VistaIOBoolean VistaIOWriteEdges (***file***,** *attributes***,** *nedges***,** *edges***)**

**FILE \****file***;** **VistaIOAttrList** *attributes***;** **int** *nedges***;** **VistaIOEdges** *edges***\[***nedges***\];**

## ARGUMENTS

- *file*

  **Specifies the open stream to which the edges should be written.**

- *attributes*

  **Specifies a list of attributes to be written to the stream.**

- *nedges*

  **Specifies the number of edge sets to be written.**

- *edges*

  **Specifies the edge sets to be written.**

## DESCRIPTION

**VistaIOWriteEdges writes a series of edge sets to an open stream as a Vista**  **data file. Edge sets** *edges***\[0\] through**  *edges***\[***nedges* **- 1\] are written, followed by any attributes**  **in the list** *attributes***. The** *attributes* **argument may be**  **NULL** **if only edge sets are to be written.**

## RETURN VALUES

**VistaIOWriteEdges returns** **TRUE** **if successful and** **FALSE** **otherwise. In the case of an error, data written to the stream may**  **be incomplete.**

## SEE ALSO

[**VistaIOWriteFile**(3)](/VistaIOWriteFile/3.md), [**VistaIOWriteObjects**(3)](/VistaIOWriteObjects/3.md), [**stdio**(3)](/stdio/3.md),\
 [**VistaIOEdges**(3)](/VistaIOEdges/3.md)

## AUTHOR

**David Lowe \<lowe@cs.ubc.ca\>**

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