off_t      T_IV
size_t     T_UV
ssize_t    T_IV
time_t     T_IV
clockid_t  T_IV
gid_t      T_UV
uid_t      T_UV
pid_t      T_IV
dev_t      T_UV
mode_t     T_UV
id_t       T_UV
int *      T_OPAQUEPTR
nl_catd    T_PTR
SysRet0    T_SYSRET0

######################
OUTPUT
T_SYSRET0
    if ($var != -1) {
        sv_setiv($arg, (IV)$var);
    }
