Here is an example of minimal C program that displays the string Welcome to C language (this famous example included in all languages moreover been done originally in C in 1978 from the creators of the language, Brian Kernighan and Dennis Ritchie) Example :
#include<stdio.h>
#include<conio.h>
int main ()
{
clrscr();
printf (“Welcome to C language”);
return 0;
}