Strcat() function adds null character.
A. Only if there is space
B. Always
C. Depends on the standard
D. Depends on the compiler
Answer: Option B
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A. stdio.h
B. iostream.h
C. fileio.h
D. files.h
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A. fopen()
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A. A built-in data type for files
B. A file descriptor
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D. A file structure
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A. Use the 'filestatus' variable
B. Check the return value of fopen()
C. Use the 'fileopen' function
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