?s | The next parameter is evaluated as a string and substituted in place of ?s |
?d | The next parameter is evaluated as a signed integer and substituted in place of ?d |
?i | Same as ?d |
?u | The next parameter is evaluated as an unsigned signed integer and substituted in place of ?d |
?x | The next parameter is evaluated as an unsigned integer and its hexadecimal rappresentation
is substituted in place of ?x |
?h | Same as ?x |
?X | Same as ?x but uppercase hexadecimal digits are used |
?H | Same as ?X |
?? | A literal question mark |
?[.N]f | The next parameter is evaluated as a real floating point value
and its rappresentation substituted in place of ?f. The optional [.N] modifier,
where N is an unsigned integer, rappresents the desired precision. |
?[.N]e | The next parameter is evaluated as a real floating point value
and its scientific rappresentation substituted in place of ?e. The optional [.N] modifier,
where N is an unsigned integer, rappresents the desired precision. |
?[.N]E | Same as ?e but an uppercase E is used as the exponent prefix |