$dbh=mysql_connect ("localhost", "usuario", "contraseña") or die ('Imposible conectar porque: ' . mysql_error());
mysql_select_db ("basededatos",$dbh); 

g++ -Wno-deprecated -o2 -o contar contar.cpp

#include <iostream.h>
#include <stdio.h>
#include <sys/io.h>

#define Lpt1 0x378

const int led[8]={1,2,4,8,16,32,64,128};
const int A=1,B=2,C=4,D=8,E=16,F=32,G=64;
/*
  A
F   B
  G
E   C
  D
*/
const int display[]={	A+B+C+D+E+F,		//0
			B+C,			//1
			A+B+G+E+D,		//2
			A+B+G+C+D,		//3
			F+G+B+C,		//4
			A+F+G+C+D,		//5
			A+F+G+E+C+D,		//6
			A+B+C,			//7
			A+B+C+D+E+F+G,		//8
			A+G+F+B+C,		//9
			E+F+A+B+C+G,		//A
			F+E+G+D+C,		//B
			A+F+E+D,		//C
			E+G+D+C+B,		//D
			A+F+G+E+D,		//E
			A+F+G+E			//F
		};

int main()
{
	int i=0;
	
	if(ioperm(Lpt1,3,1))
	{
		perror("ioperm");
	}
	while(1)
	{
		for(i=0;i<16;i++)
		{
			outb(display[i],Lpt1);
			usleep(1000000);
		}
	}
	outb(0x00,Lpt1);
	if(ioperm(Lpt1,3,0))
	{
		perror("ioperm");
	}
}