pub fn openat(
dirfd: i32,
pathname: *const c_char,
flags: u32,
mode: u32,
) -> isizeExpand description
openat - 相对于目录文件描述符打开文件
pub fn openat(
dirfd: i32,
pathname: *const c_char,
flags: u32,
mode: u32,
) -> isizeopenat - 相对于目录文件描述符打开文件