pub unsafe extern "C" fn AddUDF(
arg1: *mut Environment,
arg2: *const c_char,
arg3: *const c_char,
arg4: c_ushort,
arg5: c_ushort,
arg6: *const c_char,
arg7: UserDefinedFunction,
arg8: *const c_char,
arg9: *mut c_void,
) -> AddUDFError