Functions in c Programming Language

Functions in c Program 

Functions are defined as block of Code. The Function perform a number of predefined commands to accomplish something productive.That's , means Create a Own functions. Programmer like Writes will generally require a prototype. 

Example Program

#include<stdio.h>
#include<conio.h>
void display();

int main()
{
display();
getch();
return 0;
}
void display()
{
printf("Welcome");
}

Output

welcome 

Explain : The above Functions Program compiler start the initial state to call the display( ). There the display function is printf having some text message. Display the Output.