On 18 July 2017 at 21:46, Dennis Clarke wrote: > Fascinating. I never would have thought that a zero line length file > would be accepted as valid. However gcc ( older rev 4.9.2 ) will > accept this : > > $ printf "int main ( int argc, char* argv[] ) { return 0; }" > tzero.c Aside: why would you bother to declare parameters for such a program? What's wrong with int main(void) ? I wonder about this every time somebody reports a bug that gives -Wunused-parameter warnings because of pointless unused parameters. Since C99 (and in C++) you don't even need the return statement. int main() { }