[...]
typedef Edje_Message_String_Set EdjeMessageStringSet;

MODULE = pEFL::Edje::Message::StringSet		PACKAGE = pEFL::Edje::Message::StringSet

EdjeMessageStringSet *
_new(class,count, val_arr)
    char *class
    int count
    AV *val_arr
PREINIT:
    EdjeMessageStringSet *message;
    int index;
    char *string;
    STRLEN len;
CODE:
    message = malloc(sizeof(Edje_Message_String) + count * sizeof(char *));
    message->count = count+1;
    for (index = 0; index <= count; index++) {
        SV *tmp = *av_fetch(val_arr,index,0);
        string = SvPVutf8(tmp,len);
        message->str[index] = savepvn(string,len);
    }
    RETVAL = message;
OUTPUT:
	RETVAL

MODULE = pEFL::Edje::Message::StringSet		PACKAGE = EdjeMessageStringSetPtr

[...]
    
void
str(message)
    EdjeMessageStringSet *message
PREINIT:
	int count;
	char **vals;
	int index;
PPCODE:
    count = message->count;
    vals = message->str;
    
    EXTEND(SP,count);
    for (index = 0; index <count; index ++) {
    	PUSHs( sv_2mortal( newSVpv( vals[index], 0 ) ));
    }

void
DESTROY(message) 
    EdjeMessageStringSet *message
CODE:
    free(message);