C

<05.01>

/* A user-defined function without argument nor result */ #include <stdio.h> /* the function definition */ void stars (void) { printf ("********************************\n"); } /* end of function definition */ /* main program */ int main (void) { printf ("The line of stars comes from a function.\n"); /* calling the function */ stars (); /* the function can be called as will*/ printf ("\n"); stars (); printf ("Hello world!\n"); stars (); return (0); }

The line of stars comes from a function. ******************************** ******************************** Hello world! ********************************