mmioRead

The mmioRead function reads a specified number of bytes from a file opened by using the mmioOpen function.

LONG mmioRead(
  HMMIO hmmio,  
  HPSTR pch,    
  LONG cch      
);
 

Parameters

hmmio

File handle of the file to be read.

pch

Address of a buffer to contain the data read from the file.

cch

Number of bytes to read from the file.

Return Values

Returns the number of bytes actually read. If the end of the file has been reached and no more bytes can be read, the return value is 0. If there is an error reading from the file, the return value is – 1.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mmsystem.h.
  Import Library: Use winmm.lib.

See Also

Multimedia File I/O Overview, Multimedia File I/O Functions, mmioOpen