twoints * b_main_source(twoints * data);void _main(){twoints * data;data=NULL;data=b_main_source(data);free(data);}twoints * b_main_source(twoints * data){data=(twoints *)malloc(100*sizeof(twoints));free(data);return data;}
static void main(){twoints * data;data=NULL;data=b_main_source(data);free(data);}twoints * b_main_source(twoints * data){data=(twoints *)malloc(100*sizeof(twoints));return data;}