Question

Which of the following is the correct declaration for ungetc?

(a) int ungetc(int c, FILE fp);

(b) int ungetc(int *c, FILE fp);

(c) int ungetc(int c, FILE *fp);

(d) int ungetc(int *c, FILE *fp);

I had been asked this question in a job interview.

I need to ask this question from Ungetc in section Input and Output in C of C

Answer 1

Right choice is (c) int ungetc(int c, FILE *fp);

Easy explanation - None.