Format characters and escape characters

The format characters commonly used in C language are as follows:

Format character	Function
%o	Output integers in unsigned eight- binary form
%x	Output integers in unsigned 16- binary form
%u	Output integers in unsigned 10 binary form
%d	Outputs integers in signed 10 binary form (but positive numbers do not output a plus +)
%i	Outputs integers in signed 10 binary form (but positive numbers do not output a plus +), old-fashioned notation, equals%d
%c	Output one character
%s	Output One or more characters
%f	output single-, double-precision numbers in decimal form with 6-bit decimals by default
%e	output single-and double-precision numbers in standard exponential form (i.e. scientific notation) , the number of fractional decimal digits default to 6 bits

The usual escape characters for C are as follows:

Escape character	Function

Format characters and escape characters