#include <stdio.h>

#define CLS	"\e[2J"
#define MOVE	"\e[%d;%dH"
#define BOLD	"\e[1m"
#define RESET	"\e[0m"

#define BOTTOM_Y 24
#define BOTTOM_X 1

main()
{
	char title[] = "hello, world";
	int x, y = 11;

	x = 40 - (strlen(title)-1) / 2;
	printf( CLS );
	printf( MOVE, y, x);
	printf( BOLD );
	printf("hello, world");
	printf( RESET );
	printf( MOVE, BOTTOM_Y, BOTTOM_X );
}