#include <stdio.h>
#include <ctype.h>

long atol(number)
	register char *number;
	{
	register long n = 0, neg = 0;

	while(isspace(*number))
		++number;
	if(*number == '-')
		{
		neg = 1;
		++number;
		}
	else if(*number == '+')
		++number;
	while(isdigit(*number))
		n = (n * 10) + ((*number++) - '0');
	return(neg ? -n : n);
	}

int atoi(number)
	char *number;
	{
	return((int) atol(number));
	}