If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, \r
then Buffer is padded with '0' characters so the combination of the optional '-' \r
sign character, '0' characters, digit characters for Value, and the Null-terminator\r
add up to Width characters.\r
If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, \r
then Buffer is padded with '0' characters so the combination of the optional '-' \r
sign character, '0' characters, digit characters for Value, and the Null-terminator\r
add up to Width characters.\r