1F_DUPFD
2F_GETFD
3F_SETFD
4F_GETFL
5F_SETFL
6F_GETLK
7F_SETLK
8F_SETLKW
9F_GETOWN
10F_SETOWN
11F_RSETLK
12F_RSETLKW
13F_RGETLK
14F_CNVT
15F_SETSIG
16F_GETSIG
17F_CHKFL
18F_DUP2FD
19F_ALLOCSP
20F_ISSTREAM
21F_PRIV
22F_NPRIV
23F_QUOTACL
24F_BLOCKS
25F_BLKSIZE
26F_GETOWN
27F_SETOWN
28F_REVOKE
29F_SETLK
30F_SETLKW
31F_GETLK
32F_SETLK64
33F_SETLKW64
34F_GETLK64
35F_SHARE
36F_UNSHARE
37F_SETLEASE
38F_GETLEASE
39F_NOTIFY
40F_DUPFD_CLOEXEC
41