minimal ipv4 string print

ipv4ToStrbuff.c

#include <stdio.h>

void ipv4ToStrbuff(char ipStr[], const unsigned char ipaddr[])
{
  // assumes that char *ipStr = "XXX.XXX.XXX.XXX";
  const char *nibblesToDigits = "0123456789";
  int i = 0;
  for (i = 0 ; i < 4 ; i++)
  {
     const unsigned char h = ipaddr[i];
     const unsigned char d0 = (h) % 10;
     const unsigned char d1 = ((h - h % 10) % 100) / 10;
     const unsigned char d2 = ((h - h % 100) % 1000) / 100;
     ipStr[i*4 + 0] = nibblesToDigits[d2];
     ipStr[i*4 + 1] = nibblesToDigits[d1];
     ipStr[i*4 + 2] = nibblesToDigits[d0];
  }
}

int main (void)
{
    char ipStrBuff[] = "XXX.XXX.XXX.XXX\n";
    unsigned char ip[4] = {33,34,25,245};
    ipv4ToStrbuff(ipStrBuff, ip);
    printf(ipStrBuff);
    return 0;
}

gcc test.c -o test && test
033.034.025.245