Output ASCII with Hex(C / C++)

output.c

#include <stdio.h>


int main(void)
{
  int i = 0;
  const unsigned char text[] = "test\0";
  while(text[i] != '\0') {
    printf("%02X\n", text[i]);
    i++;
  }
  return 0;
}

output.cpp

#include <iostream>
#include <iomanip>


int main() 
{
  int i = 0;
  const unsigned char text[] = "test\0";
  while(text[i] != '\0') {
    std::cout << std::setw(2) <<
    std::setfill('0') << std::hex <<
    (short)text[i] << std::endl;
    i++;
  }
  return 0;
}