#define NOCCARGC /*no argument count passing*/ /* ** atoi(s) -- convert s to integer. */ atoi(s) char *s; { int sign, n; while(isspace(*s)) ++s; sign = 1; switch(*s) { case '-': sign = -1; case '+': ++s; } n = 0; while(isdigit(*s)) n = 10 * n + s++ - '0'; return (sign * n); }