1994-06-24 14:02:31 +00:00
|
|
|
/* $Id$ */
|
1987-01-27 15:57:55 +00:00
|
|
|
atoi(s)
|
|
|
|
|
register char *s;
|
|
|
|
|
{
|
|
|
|
|
register int total = 0;
|
|
|
|
|
register unsigned digit;
|
|
|
|
|
int minus = 0;
|
|
|
|
|
|
|
|
|
|
while (*s == ' ' || *s == '\t')
|
|
|
|
|
s++;
|
|
|
|
|
if (*s == '+') s++;
|
|
|
|
|
else if (*s == '-') {
|
|
|
|
|
s++;
|
|
|
|
|
minus = 1;
|
|
|
|
|
}
|
|
|
|
|
while ((digit = *s++ - '0') < 10) {
|
|
|
|
|
total *= 10;
|
|
|
|
|
total += digit;
|
|
|
|
|
}
|
|
|
|
|
return(minus ? -total : total);
|
|
|
|
|
}
|
