c output printf

#include <stdio.h>
#include <string.h>

#define MYNAME "Nautilus"

int globalVar = 100;

main(){
char firstLetter = 'D';

int age = 38;

long int superBignum= -327670000;

float piVaule = 3.14159;

double reallyBigPi = 3.1415914159141591415914;

printf("\n");

printf("This will print to screen\n\n");

printf("I am %d years old\n\n", age);

printf("Pi = %.5f\n\n", piVaule);

printf("The first letter in my name is %c\n\n", firstLetter);

printf("My Name is %s\n\n", "Nautilus");

char myName[] = "Nautilus Jang";

strcpy(myName, "Linux lee");

printf("My Name is %s\n\n", myName);
}