fcntl.h status

fcntl.h lacks the following constants specified in SuSv4:

• F_DUPFD_CLOEXEC
• F_GETOWN
• F_SETOWN
• O_CLOEXEC
• O_DIRECTORY
• O_TTY_INIT
• O_DSYNC
• O_RSYNC
• O_SYNC
• O_EXEC
• O_SEARCH
• AT_FDCWD
• AT_EACCESS
• AT_SYMLINK_NOFOLLOW
• AT_SYMLINK_FOLLOW
• AT_REMOVEDIR
• POSIX_FADV_DONTNEED
• POSIX_FADV_NOREUSE
• POSIX_FADV_NORMAL
• POSIX_FADV_RANDOM
• POSIX_FADV_SEQUENTIAL
• POSIX_FADV_WILLNEED

fcntl.h does not define the constants for mode_t specified in sys/stat.h, nor the constants SEEK_SET, SEEK_CUR and SEEK_END.

fcntl.h does not declare the functions openat, posix_fadvise and posix_fallocate.