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