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//in main functionchar *str_out=NULL;read_smart_attr(device_list[i].name,attr_list, str_out);printf("test: %s", str_out);//read_smart_attr functionvoidread_smart_attr(char * device, int *attr_list, char *str_out) { //skipped lines... asprintf(&str_out, "%s: %d,%d - ", attributename, (int)disk->current, (int)disk->worst); printf("inside: %s", str_out); return;}