XBT_PRIVATE type_t PJ_type_state_new (const char *name, type_t father);
XBT_PUBLIC(type_t) PJ_type_get (const char *name, const type_t father);
XBT_PUBLIC(type_t) PJ_type_get_or_null (const char *name, type_t father);
XBT_PRIVATE type_t PJ_type_state_new (const char *name, type_t father);
XBT_PUBLIC(type_t) PJ_type_get (const char *name, const type_t father);
XBT_PUBLIC(type_t) PJ_type_get_or_null (const char *name, type_t father);