Main.c -

: Returning 0 is the standard way to tell the operating system that everything went well. 3. How to Compile and Run

: This can be written as int main() for simple programs or int main(int argc, char *argv[]) if you need to handle command-line arguments. main.c

: All your "piece" or logic must be contained within these curly brackets. : Returning 0 is the standard way to

To create a main.c file, you need to set up the basic structure that every C program requires to run. The main() function is the mandatory entry point where execution begins. A standard main.c file typically looks like this: main.c

: Lines starting with #include , like , tell the compiler to include necessary tools for functions like printf() .