Function with no arguments & no return value in C

Notes:

Function with no arguments and no return value in C Programming:
Function without arguments and without return value in C:
Function without parameters and without return value in C:
Function with no parameters and no return value in C:
- Lets understand how to create a function; which does not accept any parameters and does not return any value

Ex:

#include <stdio.h>

void displayHi();
void displayBye();

int main()
{

displayHi();
displayHi();

displayBye();
displayBye();

return 0;
}

void displayHi()
{
printf("Hi\n");
}

void displayBye()
{
printf("Bye\n");
}