Trying to run Nios LED code ?

Using cable "USB-Blaster [USB-0]", device 1, instance 0x00
Resetting and pausing target processor: OK
Reading System ID at address 0x00001810: 
    ID value verified
    Timestamp value was not verified: value was not specified
Initializing CPU cache (if present)
OK

Downloading 04000020 ( 0%)
Downloaded 62KB in 2.6s (23.8KB/s)

Verifying 04000020 ( 0%)
Verified OK                         
Starting processor at address 0x040001B4

#include <io.h>
#include <unistd.h>
#include <system.h>
#include "altera_avalon_pio_regs.h"

#include <stdio.h>
#define msleep(ms)  usleep(1000*ms)
#define DIRECTION_PA(data)  IOWR_ALTERA_AVALON_PIO_DIRECTION(LED_BASE, data)
#define DATA_PA(data)  IOWR_ALTERA_AVALON_PIO_DATA(LED_BASE, data)

int main()
{   printf("hello world");
    DIRECTION_PA(0xFF);
    alt_u8 tmp = 0X01;
    unsigned char i;
    printf("hello");
    while(1)
    {   tmp = 0X01;
        for(i=0;i<4;i++)
        {
        DATA_PA(tmp);
        tmp=tmp<<1;
        msleep(50);
        };
    }

    return 0;
}