PxIOReadRaw

Description

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

The read system call simply reads data from a file.

Format

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

Where:

handle	The handle of an open file
buf	On input, a storage buffer for the read data; on output, the read data.
nByte	On input, the number of bytes to read; on output, the number of bytes read.

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.