Option Meaning
%c Insert a single character.
%d Insert an integer value.
%e Insert a floating-point value in scientific notation format.
%f Insert a floating-point value.
%g Insert a floating-point value in scientific notation format.
%i Insert a signed integer value.
%o Insert an integer in octal (base 8) format.
%s Insert a string value.
%u Insert an unsigned integer value.
%x Insert an integer and display in hexadecimal (base 16) format. (%X forces the hexadecimal digits to appear uppercase.)
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