What is the basic structure of a C program?

A C program has header files, a main() function, and statements inside it. The execution starts from main().

#include <stdio.h>

int main(void) {
    printf("Hello\n");
    return 0;
}

Output:

#include adds a header, printf() prints the text, and return 0 tells the system that the program finished well. See Basic Program Structure.

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