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posix_ioctl_check.c
(revision 0a3071956a3a9fdebdbf7f338cf2d439b45fc728)
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1
#
include
<
sys
/
ioctl.h
>
2
3
int
4
posix_ioctl_check
(
int
fd
)
5
{
6
return
ioctl
(
fd
,
-1
, 0);
7
}
8