pub fn mount(
source: *const c_char,
target: *const c_char,
filesystemtype: *const c_char,
_mountflags: u64,
_data: *const c_void,
) -> isizepub fn mount(
source: *const c_char,
target: *const c_char,
filesystemtype: *const c_char,
_mountflags: u64,
_data: *const c_void,
) -> isize