Q. When a C program is started, O.S environment is responsible for opening file and providing pointer for that file?

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Q. FILE is of type ______

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Q. What is the meant by ‘a’ in the following operation?
fp = fopen(“Random.txt”, “a”);

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Q. Which of the following mode argument is used to truncate?

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Q. Which type of files can’t be opened using fopen()?

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Q. What does the following segment of code do?
fprintf(fp, “Copying!”);

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Q. FILE reserved word is

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Q. stdout, stdin and stderr are

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Q. Which of the following statements about stdout and stderr are true?

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Q. Within main, return expr statement is equivalent to

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Q. stderr is similar to?

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Q. What happens when we use
fprintf(stderr, “error: could not open filen”);

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Q. Which of the following function can be used to terminate the main function from another function safely?

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Q. Which of the following causes an error?

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Q. What is the purpose of the function?
int ferror(FILE *fp)

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Q. stderr is similar to?

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Q. What happens when we use?
fprintf(stderr, “error: could not open filen”);

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Q. The syntax of fgets is char *fgets(char *line, int maxline, FILE *fp). Which is true for fgets.fgets ?

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Q. fputs function writes a string to a file that only ends with a newline

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Q. fputs adds newline character

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