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19 .Nd close all standard I/O streams
29 function closes all open standard I/O streams. The equivalent of
31 is called on each stream before closing, thus any buffered or pending
32 input is discarded while any buffered or pending output is written out
33 to the underlying file. This includes the standard streams,
39 Currently, the function
43 Note, portable applications should always check the return value.
44 .Sh INTERFACE STABILITY