...ions is not NULL, then it contains an ordered set of requests to open (2), close (2), and dup2 (2) files. These requests are added to the file_actions by posix_spawn_file_action…...ions is not NULL, then it contains an ordered set of requests to open (2), close (2), and dup2 (2) files. These requests are added to the file_actions by posix_spawn_file_action…