#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

void print_triangle(char ch, int num_chars_to_print) {
    if(num_chars_to_print >= 1) {
        for(int i = 0; i < num_chars_to_print; i++) {
            if(i % 2 == 0 && i != 0) {
                ch = '|';
            }
            fputc(ch, stdout);
        }
        fputc('\n', stdout);
        print_triangle(ch, num_chars_to_print - 1);
    }
}

int main(int argc, char* argv[]) {
    print_triangle('#', 10);
    return EXIT_SUCCESS;
}

// How to rename a variable:
// %s/\<num_asterisks_to_print\>/num_chars_to_print/gc

/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */