dop(images) - phpMan

fdopen (3)           - stream open functions
fdopen (3p)          - associate a stream with a file descriptor
fdopendir (3)        - open a directory
fdopendir (3p)       - open directory associated with file descriptor
posix_spawn_file_actions_addopen (3p) - add open action to spawn file actions...
semtimedop (2)       - System V semaphore operations