#include <iostream> int main() { int (a)(); std::cout << " address of function a = " << (void *)a << std::endl; return 0; }
Standard input is empty
/home/iFu37e/ccei2RiV.o: In function `main': prog.cpp:(.text+0x65): undefined reference to `a()' collect2: ld returned 1 exit status
Standard output is empty