const siginfo_t: type = if (is_mips)
    extern struct {
        signo: i32,
        code: i32,
        errno: i32,
        fields: siginfo_fields_union,
    }
else
    extern struct {
        signo: i32,
        errno: i32,
        code: i32,
        fields: siginfo_fields_union,
    };