.TH io_check 3
.SH NAME
io_check \- check for new readable or writable descriptors
.SH SYNTAX
.B #include <io.h>

int64 \fBio_check\fP();
.SH DESCRIPTION
io_check is like io_waituntil() with a deadline of now.
.SH "SEE ALSO"
io_wait(3), io_waituntil(3)