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Library: winmm

Min. Required OS: Windows NT 3.1 or later; Windows 95 or later

Group: Multimedia I/O

Description: The mmioOpen function opens a file for unbuffered or buffered I/O. The file can be a standard file, a memory file, or an element of a custom storage system. The handle returned by mmioOpen is not a standard file handle; do not use it with any file I/O functions other than multimedia file I/O functions.

Low Level Audio Stream

Related function(s):
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