#include <stdio.h>

/* Function to draw a line in the screen */
void print_line(int width) 
{
    int i;
    for (i = 0; i < width; i++) 
    {
	    printf("-");
    }
    printf("\n");
}

int main(int argc, char *argv[]) 
{
    int line_width = 80;
    int index;
    int not_used;
    int letter; 

    /* Print a line separating the message */
    print_line(line_width);

    /* Print the arguments received by the main function */
    printf("  argc = %d\n", argc);
    for (index = 0; index < argc; index++)
    {
	    printf("  argv[%d] = %s\n", index, argv[index]);
    }

    for (index = 0; index < 1000000000; index++) 
    {
	     letter = calculate_letter(index);
    }

    /* Print a line separating the message */
    print_line(line_width);
}

int calculate_letter(int i) 
{
    return 'a' + (i % 24);
}