main function

Also known as main(), int main(void);, int main();, int main(int argc, char **argv);, int main(int argc, char *argv[]);, int main(int argc, char **argv, char **env);, void main (void);, int main(int argc, char **argv, char **envp, char **apple);

function in C or C++, which is the entry point to execution, which can take either no arguments, two arguments (conventionally named argc and argv), or three arguments (whose third argument is conventionally named env)