Function memccpy
pub unsafe extern "C" fn memccpy(dest: *mut c_void, src: *const c_void, c: c_int, n: size_t) -> *mut c_voidmemccpypub unsafe extern "C" fn memccpy(dest: *mut c_void, src: *const c_void, c: c_int, n: size_t) -> *mut c_void