Function rb_sys::rb_block_call_kw

pub unsafe extern "C" fn rb_block_call_kw(
    arg1: VALUE, 
    arg2: ID, 
    arg3: c_int, 
    arg4: *const VALUE, 
    arg5: rb_block_call_func_t, 
    arg6: VALUE, 
    arg7: c_int
) -> VALUE