char conv_ctoi (char c)
{
if (class_num (c))
{
return c - '0';
}
else if (class_upper (c))
{
return c - 'A' + (char) 10;
}
return (char) (-1);
}
bool class_alpha (char c)
{
return (class_lower (c) || class_upper (c));
}
static void MANGLE_LOWER_AT (char *arr, const int pos)
{
if (class_upper (arr[pos])) arr[pos] ^= 0x20;
}
