/*----------------------------------------------------------------------------*-
Function:
	hexstr
Params:
	string[] - String to convert to a number.
Return:
	value of the passed hex string.
Notes:
	-
-*----------------------------------------------------------------------------*/

stock hexstr(string[])
{
	new
		ret,
		val,
		i;
	if (string[0] == '0' && (string[1] == 'x' || string[1] == 'X')) i = 2;
	while (string[i])
	{
		ret <<= 4;
		val = string[i++] - '0';
		if (val > 0x09) val -= 0x07;
		if (val > 0x0F) val -= 0x20;
		if (val < 0x01) continue;
		if (val < 0x10) ret += val;
	}
	return ret;
}