What will be the output of the following C statement?
fprintf(stderr, "error: could not open filen");
fprintf(stderr, "error: could not open filen");A. The diagnostic output is directly displayed in the output
B. The diagnostic output is pipelined to the output file
C. The line which caused error is compiled again
D. The program is immediately aborted
Answer: Option A
This Question Belongs to C Program >> File Input Output
In C, which library is used for file operations such as reading and writing files?
A. stdio.h
B. iostream.h
C. fileio.h
D. files.h
Which function is used to open a file in C for writing?
A. fopen()
B. open()
C. writefile()
D. createfile()
What does 'FILE' represent in C when working with files?
A. A built-in data type for files
B. A file descriptor
C. A file pointer
D. A file structure
How do you check if a file was opened successfully in C?
A. Use the 'filestatus' variable
B. Check the return value of fopen()
C. Use the 'fileopen' function
D. Check the file's size
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