Example: Hello World Program in C Using a User-defined Function

C
C++
C#
Java
Python
PHP

// HELLO WORLD PROGRAM IN C USING A USER-DEFINED FUNCTION
#include <stdio.h>

// Function to display messages
void showMessage()
{
    printf("C HELLO WORLD PROGRAM\n");
    printf("HELLO, WORLD!\n");
}

int main()
{
    // Call the showMessage() function to print the messages
    showMessage();
    return 0;
}