/* hello.c - a UNIX-style "Hello, World!" program
 *
 * To compile: gcc -o hello hello.c
 * To execute: ./hello
 */
#include <stdio.h>  // referencing the C library; stdio is the standard I/O operations

int main() // everything needs a starting point, in C, that is a function called main()
{ // when you have a group of statements, wrap them in a code block using the curly braces
        int   i   = 0; // as C is lower level, variables need types assigned and declarations.
        char *msg = "Hello, World!\n"; // A "*" denotes a memory variable, aka pointer

        while (*(msg+i) != '\0') // keep looping while the currently read character from msg is not '\0'
                fputc(*(msg+i++), stdout); // display currently read character to STDOUT

        return (0); // all done, notify the system all went according to plan
} // close code block