io_check man page on Alpinelinux

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io_check(3)							   io_check(3)

NAME
       io_check - check for new readable or writable descriptors

SYNTAX
       #include <io.h>

       int64 io_check();

DESCRIPTION
       io_check is like io_waituntil() with a deadline of now.

SEE ALSO
       io_wait(3), io_waituntil(3)

								   io_check(3)
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