Function clone
pub unsafe extern "C" fn clone(cb: extern "C" fn(*mut c_void) -> c_int, child_stack: *mut c_void, flags: c_int, arg: *mut c_void, ...) -> c_intclonepub unsafe extern "C" fn clone(cb: extern "C" fn(*mut c_void) -> c_int, child_stack: *mut c_void, flags: c_int, arg: *mut c_void, ...) -> c_int