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ungetc() may be used with ________

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in C by (52.2k points)
ungetc() may be used with ________

(a) scanf

(b) getc

(c) getchar

(d) all of the mentioned

The question was posed to me during an online interview.

Enquiry is from Ungetc topic in chapter Input and Output in C of C

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The correct option is (d) all of the mentioned

Explanation: None.

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