function hex2int(hexstr,    hexval,c,i) {
        for(i=1;i<=length(hexstr);i++) {
                c = substr(hexstr,i,1);
                if( c>=1 && c<=9 ) hexval+= c;
                else if( c=="a" || c=="A" ) hexval += 10;
                else if( c=="b" || c=="B" ) hexval += 11;
                else if( c=="c" || c=="C" ) hexval += 12;
                else if( c=="d" || c=="D" ) hexval += 13;
                else if( c=="e" || c=="E" ) hexval += 14;
                else if( c=="f" || c=="F" ) hexval += 15;
                else if( c != "0" && c!= "x" && c!="X") { print "Bombed in gethex"; exit 1 };
                if ( i!=length(hexstr) ) hexval = hexval*16;
        }
        return hexval;
}

function int2hex(intval,   tempstr)
{
        tempstr = sprintf( "%lx", intval );
        return tempstr;
}