// ex_ch9_2.c
#include <stdio.h>

void chline(char ch, int i, int j);

int main(void)
{
	chline('X', 4, 7);
	putchar('\n');
	
	return 0;
}

void chline(char ch, int i, int j)
{
	int current;
	
	for (current = 1; current <= j; current++)
	{
		if (current < i)
			putchar(' ');
		else
			putchar(ch);
	}
}