/* As suggested by Harbison & Steele */

#include <stddef.h>
#include <stdlib.h>
#include <assert.h>

#ifdef __STDC__
long	strtol(const char *, char **, int);
#else
extern long strtol();
#endif

int atoi(str)
const char *str;
{
	assert ((str != NULL));
	return (int) strtol(str, (char **)0, 10);
}

long atol(str)
const char *str;
{
	assert ((str != NULL));
	return strtol(str, (char **)0, 10);
}