Simple C Program

hello.c

#include<stdio.h>
#include<conio.h>

int main(int argc, char *argv[])
{
        if (argc < 2)
        {
                printf("%s \n", "Pass your name as the argument");
                return 0;
        }
        else
        {
                printf("Hello %s \n", argv[1]);
                return 1;
        }

}

/*
After long years now enjoying my C language :)
 
$ gcc cprogram.c -o cprogram
$ chmod u+x cprogram
$ ./cprogram "Vijay Anand"
$ Hello Vijay Anand      

*/