Make array of bytes from integer

const int BITS_PER_BYTE = 8;
int result = 0;
// I would initialize the variable.
// logic block  ...
int res = result;
int numBytesInResult = 0;
while(res != 0)
{
    numBytesInResult++;
    res = res >> BITS_PER_BYTE;
}
char *buf = new char[numBytesInResult + 1];
buf[numBytesInResult] = '\0';
for(int i = 0; i < numBytesInResult; i++)
{
    char c = (char)  result & 0xF;      // took the last byte of "result" and saved it in "с"
    buf[numBytesInResult - i - 1] = c;  // write to buf from the youngest byte to oldest
    result = result >> BITS_PER_BYTE;
}
// WriteFile
delete [] buf;