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#include <windows.h>
int main(int argc, char *argv[])
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
int columns, rows;
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
columns = csbi.srWindow.Right - csbi.srWindow.Left + 1;
rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
printf("columns: %d\n", columns);
printf("rows: %d\n", rows);
return 0;
}