Function posix_spawn_file_actions_adddup2
pub unsafe extern "C" fn posix_spawn_file_actions_adddup2(actions: *mut posix_spawn_file_actions_t, fd: c_int, newfd: c_int) -> c_intposix_spawn_file_actions_adddup2pub unsafe extern "C" fn posix_spawn_file_actions_adddup2(actions: *mut posix_spawn_file_actions_t, fd: c_int, newfd: c_int) -> c_int