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Implicit Return Statement for main()
The compiler adds a
return 0;
statement in C++ a program's main() function if the function returns an int result and doesn't end with a user return statement.
Examples:
int main() { } // equivalent to:
// int main() { return 0; }
main() { } // equivalent to:
// int main() { return 0; }
The compiler will also enforce an external int main() function if ANSI Strict is on in the C/C++ Language Panel.
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Last updated: August 17, 2000