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  1. #include <cstdio>
  2.  
  3. int abc();
  4.  
  5. int main() {
  6. 	int (*f)() = &abc;
  7. 	printf("%p", f);
  8. 	return 0;
  9. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
/home/777wKz/cc3mR5T2.o: In function `main':
prog.cpp:(.text.startup+0x12): undefined reference to `abc()'
collect2: error: ld returned 1 exit status
stdout 
Standard output is empty
https://ideone.com/HRzl7u
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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