pub unsafe extern "C" fn fexpr_expanded_normal_form(
res: *mut fexpr_struct,
expr: *const fexpr_struct,
flags: ulong,
) -> c_intpub unsafe extern "C" fn fexpr_expanded_normal_form(
res: *mut fexpr_struct,
expr: *const fexpr_struct,
flags: ulong,
) -> c_int