1.1_hello_KR.c

#include <stdio.h>             // include information about standard library
main()                         //              define a function called main
                               //           that received no argument values
{                              //  statements of main are enclosed in braces
  printf("hello, world\n");    //         main calls library function printf
}                              //       to print this sequence of characters
                               //        \n represents the newline character