The main function is where a C program starts from "summary" of C Programming Language by Brian W. Kernighan,Dennis Ritchie
The main function is where a C program starts. It is the entry point for the program, the place where execution begins. When the program is run, the operating system loads the program and starts executing code at the beginning of the main function. This function is always required in a C program; without it, the program would have no starting point. The main function is defined with a return type of int, indicating that it is expected to return an integer value. The parentheses following the function name can optionally contain arguments, which are values passed to the function when it is called. These arguments represent any command-line arguments provided when the program is run. Inside the main function, the program's logic is written. This is where variables are declared, calculations...
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