/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Id$ */ #include /* We do not use strtol here for backwards compatibility in behaviour on overflow. */ int atoi(register const char *nptr) { int total = 0; int minus = 0; while (isspace(*nptr)) nptr++; if (*nptr == '+') nptr++; else if (*nptr == '-') { minus = 1; nptr++; } while (isdigit(*nptr)) { total *= 10; total += (*nptr++ - '0'); } return minus ? -total : total; }