#define C_IO_HEADER #include C_IO_HEADER
A. #include
B. #include”printf”
C. #include”C_IO_HEADER”
D. #include
Answer:A
#define C_IO_HEADER #include C_IO_HEADER
A. #include B. #include”printf” C. #include”C_IO_HEADER” D. #include
Explanation:Since C_IO_HEADER is defined to be , the second line becomes #include, since C_IO_HEADER is replaced with 5. What is the output of this C code?