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Asked by Selvi Last Modified
Answer 
Preprocessor programs provide preprocessor directives that tell the compiler to preprocess the source code before compiling. All of these preprocessor directives begin with a ‘#’ (hash) symbol. The ‘#’ symbol indicates that whatever statement starts with a ‘#’ will go to the preprocessor program to get executed. We can place these preprocessor directives anywhere in our program.
Examples of some preprocessor directives are: #include, #define, #ifndef, etc.
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What is the main difference between returning value of a function and does not return any value of a function in C. Which is correct void main(void), int main(void), int main(int) , or void main(int) and explain the main difference between int main() and int main(void).
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