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What is the purpose of sprintf?

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What is the purpose of sprintf?

(a) It prints the data into stdout

(b) It writes the formatted data into a string

(c) It writes the formatted data into a file

(d) None of the mentioned

I got this question during an interview for a job.

This interesting question is from Formatted Output topic in section Input and Output in C of C

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Best answer
The correct option is (b) It writes the formatted data into a string

Best explanation: None.

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