using internal pullup resistors

hi all,
i'm trying write sketch using internal pullups in 168 , getting confused. sketch compiles & uploads, according multimeter input pins i'm using not being pulled high.

i'm trying use analog pins 0 4 marked on freeduino board.  i writing correct pin no.s in sketch?

here's setup.

/*
*fivebutton
*flashes led @ various rates & on/off times depending on of 5 buttons pressed
*/
int ledpin = 13;        //output pin led
int inpin1 = 0;         //button 1 pin
int inpin2 = 1;         //button 2 pin
int inpin3 = 2;         //button 3 pin
int inpin4 = 3;         //button 4 pin
int inpin5 = 4;         //button 5 pin

void setup()
{
 pinmode(ledpin, output);    //declare led output
 pinmode(inpin1, input);      //declare button input
 digitalwrite(0, high);  //button 1 pin __turn on pullup resistors
 pinmode(inpin2, input);
 digitalwrite(1, high);
 pinmode(inpin3, input);
 digitalwrite(2, high);
 pinmode(inpin4, input);
 digitalwrite(3, high);
 pinmode(inpin5, input);
 digitalwrite(4, high);
}
thought i'd seen share of confusing hardware, has me stumped.

i think if going use analog input pins 0-5 digital input pins have refer them pins 14-18 in sketch. , don't blame hardware it's software 'feature' have 2 aliases same physical hardware pins.  

lefty

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