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Which of the following cannot be used with ungetc()?

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in C by (52.2k points)
Which of the following cannot be used with ungetc()?

(a) scanf

(b) getc

(c) getchar

(d) printf

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

I would like to ask this question from Ungetc topic in chapter Input and Output in C of C

1 Answer

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by (829k points)
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Best answer
Right choice is (d) printf

Explanation: None.

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