mmioWrite

The mmioWrite function writes a specified number of bytes to a file opened by using the mmioOpen function.

LONG mmioWrite(

Parameters
hmmio

File handle of the file.

pch

Address of the buffer to be written to the file.

cch

Number of bytes to write to the file.

Return Values
Returns the number of bytes actually written. If there is an error writing to the file, the return value is -1.

Remarks
The current file position is incremented by the number of bytes written.