#include <unistd.h>
#include <stdio.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int calification(int note);

int show(char *msg);

int main(void)
{

	calification(77);

	return 0;
}

int calification(int note)
{
	char *msg_dos= " ESTA MAL INTRODUCIDA LA NOTA";
	char *msg_three= " APROBADO/A";
	char *msg_four= " SUSPENSO/A";

	if ((note >= 5) && (note <= 10))
	{
		show(msg_three+1);
	}
	else if (note >= 0 && note <= 4)
	{
			show(msg_four+1);
	}
	else if (note >10 || note < 0)
	{
		show(msg_dos+1);
	}
	return 0;
}

int show(char *msg)
{
	if(msg != "/n")
	{
		write(1, msg, 1);
		show(msg+1);
	}
	else
	{
		return 0;
	}
}