Super Awesome In-Class Epic Example

#include <stdio.h>

//Function Prototype

int TestFunction( float x);

//Macros

#define MACRO 0

void main(){

// declare variables

int ij;

int ik;

float fx;

float fy;

//Initialize Variables

ij = 0;

ik = 1;

fx = 0;

fy = 2;

//print out variables

printf("ij is: %i \n", ij);

printf("ik is: %4i \n", ik);

printf("fx is: %f \n", fx);

printf("fy is: %5.2f \n", fy);

//exploring cast

fx = (float) ik;

ij = (int) fy;

//let's print to check it out

printf("fx is: %f \n", fx);

printf("ij is: %i \n", ij);

//reading data at run time

printf("Give me an int: \n");

scanf("%d",&ij);

printf("Give me a float: \n";

scanf("%f",&fx);

//Let's try some math

ik = ij*2;

ik = ik+1;

fy = fx/10;

printf("debug: fy is: %f",fy);

fy = fy +ij;

ik= ij/ik;

fy=5.5;

//A function call

ij = TestFunction(fy);

printf("the function returned: %i \n", ij);

//While Loop

ij = 0;

ik=0;

//set while and exit condition 

while(ij<=6) 

{

  //stuff to repeat while true

  ik =ik+1; 

  printf("I ran %i times",ik);

  ik=ik+1;

  //update while loop condition

  ij=ij+2;

}

//This is the end

printf("ij is: %i \n", ij);

printf("ik is: %4i \n", ik);

printf("fx is: %f \n", fx);

printf("fy is: %5.2f \n", fy);

printf("Program Ended\n\n");

//If Else

if(MACRO){

    printf("hello\n");

}else{

    printf("byeee!\n");

}

}

int TestFunction(float x)

{

//Declare some variables

int a;

float b;

//Initialize variables

a=0;

b=0;

// Do some math and other stuff

a = (int) x;

b = (float) a;

b=b*2;

b=b+1;

a=b/a;

//return a value

return a;

}