%c The character format specifier.
%d The integer format specifier.
%i The integer format specifier (same as %d).
%f The floating-point format specifier.
%e The scientific notation format specifier.
%E The scientific notation format specifier.
%g Uses %f or %e, whichever result is shorter.
%G Uses %f or %E, whichever result is shorter.
%o The unsigned octal format specifier.
%s The string format specifier.
%u The unsigned integer format specifier.
%x The unsigned hexadecimal format specifier.
%X The unsigned hexadecimal format specifier.
%p Displays the corresponding argument that is a pointer.
%n Records the number of characters written so far.
%% Outputs a percent sign.
