char * main_source(char * data);void main(){char * data;data=NULL;data=main_source(data);delete [] data;}char * main_source(char * data){data=new char[100];delete [] data;return data;}
static void main(){char * data;data=NULL;data=main_source(data);delete [] data;}char * main_source(char * data){data=new char[100];return data;}