twointsclass * main_source(twointsclass * data);void main(){twointsclass * data;data=NULL;data=main_source(data);delete [] data;}twointsclass * main_source(twointsclass * data){data=NULL;data=(twointsclass *)realloc(data, 100*sizeof(twointsclass));return data;}
static void main(){twointsclass * data;data=NULL;data=main_source(data);free(data);}twointsclass * main_source(twointsclass * data){data=NULL;data=(twointsclass *)realloc(data, 100*sizeof(twointsclass));return data;}