Which of the following functions from “stdio.h” can be used in place of printf()?
(A) fputs() with FILE stream as stdout.
(B) fprintf() with FILE stream as stdout.
(C) fwrite() with FILE stream as stdout.
(D) All of the above three – a, b and c.
(E) In “stdio.h”, there’s no other equivalent function of printf().
Answer: (B)
Explanation: Though fputs() and fwrite() can accept FILE stream stdout and can output the given string but the input string wouldn’t result in formatted (i.e. containing format specifiers) output. But fprintf() can be used for formatted output. That’s why fprintf(stdout,”=%d=”,a); and printf(“=%d=”,a); both are equivalent. The correct answer is B.
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