char sign = '+';
const char * p = _PDCLIB_strtox_prelim( s, &sign, &base );
if ( base < 2 || base > 36 ) return 0;
- rc = _PDCLIB_strtox_main( &p, (unsigned)base, (uintmax_t)ULONG_MAX, (uintmax_t)( ULONG_MAX / base ), (uintmax_t)( ULONG_MAX % base ), &sign );
+ rc = _PDCLIB_strtox_main( &p, (unsigned)base, (uintmax_t)ULONG_MAX, (uintmax_t)( ULONG_MAX / base ), (int)( ULONG_MAX % base ), &sign );
if ( endptr != NULL ) *endptr = ( p != NULL ) ? (char *) p : (char *) s;
return ( sign == '+' ) ? rc : -rc;
}