F_DUPFD
F_GETFD
F_GETFL
F_GETLK
F_GETOWN
F_OK
F_RDLCK
F_SETFD
F_SETFL
F_SETLK
F_SETLKW
F_SETOWN
F_UNLCK
F_WRLCK
FD_CLOEXEC
FD_SETSIZE
FE_DFL_ENV
FE_DIVBYZERO
FE_DOWNWARD
FE_INEXACT
FE_INVALID
FE_NOMASK_ENV
FE_OVERFLOW
FE_TONEAREST
FE_TOWARDZERO
FE_UNDERFLOW
FE_UPWARD
FILENAME_MAX
FLT_DIG
FLT_EPSILON
FLT_MANT_DIG
FLT_MAX
FLT_MAX_10_EXP
FLT_MAX_EXP
FLT_MIN
FLT_MIN_10_EXP
FLT_MIN_EXP
FLT_RADIX
FLT_ROUNDS
FLUSHO
FOPEN_MAX
FP_FAST_FMA
FP_ILOGB0
FP_ILOGBNAN
FP_INFINITE
FP_NAN
FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FPE_DECOVF_TRAP
FPE_FLTDIV_TRAP
FPE_FLTOVF_TRAP
FPE_FLTUND_TRAP
FPE_INTDIV_TRAP
FPE_INTOVF_TRAP
FPE_SUBRNG_TRAP
FRAC_DIGITS
FSETLOCKING_BYCALLER
FSETLOCKING_INTERNAL
FSETLOCKING_QUERY
FSTAB
FSTAB_RO
FSTAB_RQ
FSTAB_RW
FSTAB_SW
FSTAB_XX
FTW_CHDIR
FTW_D
FTW_DEPTH
FTW_DNR
FTW_DP
FTW_F
FTW_MOUNT
FTW_NS
FTW_PHYS
FTW_SL
FTW_SLN