Чистый экран c
#include <stdlib.h>
//...
system("clear"); //*nix
system("cls"); //windows
Marton
#include <stdlib.h>
//...
system("clear"); //*nix
system("cls"); //windows
system(“cls”);
OR
system(“clear”);system("cls");system("clear");// Linux and mac
system("cls");// windows
clrscr();//TurboC