Function pgrx_pg_sys::FuncnameGetCandidates

pub unsafe fn FuncnameGetCandidates(
    arg_names: *mut List,
    arg_nargs: c_int,
    arg_argnames: *mut List,
    arg_expand_variadic: bool,
    arg_expand_defaults: bool,
    arg_include_out_arguments: bool,
    arg_missing_ok: bool
) -> FuncCandidateList