to know a number is even or odd using function.

using codeblocks
----------------------------------------------------------------------------------------------------
//to know a number is even or odd using function.
#include<stdio.h>                      //header file
void evenodd();                          // function prototype/declaration with return type zero.
int main()                              //main function
{
evenodd();                                     // function calling.
return 0;                                       //returns 0 value
}
void evenodd()                              // function body line ; also called function definition
{
 int number;                    // variable declaration 
printf("enter number\n");           // displays message to input data
scanf("%d",&number);        // gets data from user.
if(number%2==0)                     //condition testing
{
printf("%f is even\n",number);    // displays output
}

else
{
   printf("%d is odd\n",number); //displays output
}
}



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using turbo c++
----------------------------------------------------------------------------
//to know a number is even or odd using function.
#include<stdio.h>                      //header file
#include<conio.h>
void evenodd();                          // function prototype/declaration with return type zero.
void main()                              //main function
{
evenodd();                                     // function calling.
getch();                                       //returns 0 value
}
void evenodd()                              // function body line ; also called function definition
{
 int number;                    // variable declaration 
printf("enter number\n");           // displays message to input data
scanf("%d",&number);        // gets data from user.
if(number%2==0)                     //condition testing
{
printf("%f is even\n",number);    // displays output
}

else
{
   printf("%d is odd\n",number); //displays output
}
}

function related programs with types

function related programs with types


click below to see programs:
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 FUNCTION WITH NO ARGUMENTS AND NO RETURN VALUES.

FUNCTION WITH NO ARGUMENTS AND  RETURNING SOME VALUES.

FUNCTION WITH  ARGUMENTS AND  RETURNING NO VALUES.

FUNCTION WITH  ARGUMENTS AND  RETURN VALUES.

Recursive function:

storage concept/classes:-

program to print smallest number among three numbers using function.

using codeblock
--------------------------------------------------------------------------------------------------------------------
//to print smallest number among three numbers using function.
#include<stdio.h>                      //header file
void smallest();                          // function prototype/declaration with return type zero.
int main()                              //main function
{
smallest();                                     // function calling.
return 0;                                       //returns 0 value
}
void smallest()                              // function body line ; also called function definition
{
 float number1,number2,number3;                    // variable declaration 
printf("enter three numbers\n");           // displays message to input data
scanf("%f%f%f",&number1,&number2,&number3);        // gets data from user.
if(number1>number2 &&number1>number3)                     //condition testing
{
printf("%f is greater\n",number1);    // displays output
}
else if(number2>number1 &&number2>number3)
{
    printf("%f is greater\n",number2);    // displays output for second condition
}
else
{
   printf("%f is greater\n",number3); 
}

}

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using turbo C++
-----------------------------------------------------------------

//to print smallest number among three numbers using function.
#include<stdio.h>                      //header file
#include<conio.h>
void smallest();                          // function prototype/declaration with return type zero.
void main()                              //main function
{
smallest();                                     // function calling.
getch();                                       //returns 0 value
}
void smallest()                              // function body line ; also called function definition
{
 float number1,number2,number3;                    // variable declaration 
printf("enter three numbers\n");           // displays message to input data
scanf("%f%f%f",&number1,&number2,&number3);        // gets data from user.
if(number1>number2 &&number1>number3)                     //condition testing
{
printf("%f is greater\n",number1);    // displays output
}
else if(number2>number1 &&number2>number3)
{
    printf("%f is greater\n",number2);    // displays output for second condition
}
else
{
   printf("%f is greater\n",number3); 
}

}