#include<stdio.h> // For printf
#include<stdlib.h> // For malloc
#include"er_IN2060.h"

int main(){
  /* Part 1: Variables */

  // In C variables are weakly typed
  int a = 4;
  char b = 'h';

  printf("4 + h is: %i\n", a+b);

  /* Part 2: If/else Statements */

  if(b > a){
    a += 4;
  }
  else{
    a += 2;
  }

  printf("%i\n", a);

  /* Part 3: Pointers */

  int* pointer = malloc(sizeof(int)*1);

  pointer[0] = 3;

  printf("A pointer: %x\n", pointer);

  free(pointer);
  
  /* Part 4: Strings and memory allocation */

  // Strings are represented by placing several chars after each other in memory
  // Memory must be allocated for a string
  char* string = "Hello!";
  char* string_2 = malloc(sizeof(int)*7);

  string_2[0] = 'H';
  string_2[1] = 'e';
  string_2[2] = 'l';
  string_2[3] = 'l';
  string_2[4] = 'o';
  string_2[5] = '!';
  string_2[6] = 0;

  printf("%s\n", string_2);

  /* Part 5: Loops */

  for(int i = 0; i < 6; i++){
    printf("%i\n", i);
  }

  while(*string_2){
    printf("%c\n", string_2[0]);
    string_2 += 1;
  }

  /* Part 6: Functions and header files */
  printf("Er det IN2060? %s\n", er_IN2060("IN2060"));
  
}