VR_INTERFACE(REGERR) VR_PackRegistry(void *userData, nr_RegPackCallbackFunc fn)
VR_INTERFACE(REGERR) VR_EnumUninstall(REGENUM *state, char* userPackageName, int32 len1, char*regPackageName, int32 len2, XP_Bool bSharedList)
VR_INTERFACE(REGERR) VR_PackRegistry(void *userData, nr_RegPackCallbackFunc fn){    REGERR err;    /* make sure vreg (src) is open */    err = vr_Init();    if (err != REGERR_OK)        return err;    err = NR_RegPack( vreg, userData, fn );    return err;}   /* PackRegistry */