Question

The syntax of printf() function is printf(“control string”, variable list) ;what is the prototype of the control string?

(a) %[flags][.precision][width][length]specifier

(b) %[flags][length][width][.precision]specifier

(c) %[flags][width][.precision][length]specifier

(d) %[flags][.precision][length][width]specifier

This question was addressed to me in an interview for job.

The question is from printf topic in chapter Input and Output in C of C

Answer 1

Right choice is (c) %[flags][width][.precision][length]specifier

Explanation: The prototype of control string is %[flags][width][.precision][length]specifier. Each control string must begin with % sign.