Function sys_openat

pub fn sys_openat(
    dirfd: c_int,
    filename: *const c_char,
    flags: c_int,
    mode: mode_t,
) -> c_int

Available on crate feature fs only.

Open or create a file. fd: file descriptor filename: file path to be opened or created flags: open flags mode: see man 7 inode return new file descriptor if succeed, or return -1.