typedef struct _mystruct1 { int val; int (* init) (void *object1, void **object2); } mystruct1; typedef struct _mystruct2 { mystruct *ptr; } mystruct2; #### mystruct2 *mine; int res; struct obj *object1, **object2; ..... mine->ptr->val = 100; res = mine->ptr->init(object1, object2); #### print "$mine->{"ptr"}->{"val"}"; # This seems to work $mine->{"ptr"}->{"init"}(object1, object2); # This does not work #### rh = (HV *)sv_2mortal((SV *)newHV()); hv_store(rh, "val", 3, newSViv(mine->ptr->val), 0); hv_store(rh, "init", 4, newRV((SV *)mine->ptr->init), 0); # This line did not work #### if (SvROK ((SV *) mine->ptr->init)) { type = SvTYPE(SvRV((SV *)mine->ptr->init)); printf ("Something ..%d", type); }