a simple question....... which function is used in c language to clear screen ?

Answer 1

I don't know but I can tell you it isn't possible in SoloLearn. Just letting you know.

Answer 2

system("cls");

or

void ClearScreen()
{
COORD cursorPosition; cursorPosition.X = 0;
cursorPosition.Y = 0; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), cursorPosition);
}