I/O Read/Write
[I/O and Muxing/Demuxing Library]

Modules
	Old url_ functions
	The following functions are deprecated.
	Old put_/get_() functions
	The following functions are deprecated.
	Old url_f functions
	The following functions are deprecated, use the "avio_"-prefixed functions instead.
Files
file	avio.h
	Buffered I/O operations.