# File Write Functions

PxIOWriteRaw |

## Description

Performs a raw write system call on the specified file. For information on the exact behavior of write, refer to OS-specific write documentation for details.

The write system call simply writes data to a file.

## Format

int PxIOWriteRaw(PxIOFileHandle handle, const void *buf, size_t *nByte);

Where:

handle | The handle of an open file
buf | A buffer with the data to write
nByte | On input, the number of bytes to write; on output, the number of bytes written.

## Return Value

If the function succeeds, a value of PXIO_SUCCESS_STATUS is returned; otherwise, an error value is returned. More information on the nature of the error can be found by calling PxIOGetError.