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  1. #include <iostream>
  2. typedef void(*callback_t)(void*data);
  3.  
  4. callback_t call_t;
  5.  
  6. void Fm_show(callback_t call){
  7. call_t=call;
  8. }
  9.  
  10.  void foo(){
  11. call_t(NULL);
  12.  }
  13.  
  14.   void foo2(void*data){
  15.  std::cout << "foo2" << std::endl ;
  16.  }
  17.  
  18.  int main(){
  19. Fm_show(foo2);
  20. foo();
  21.  }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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foo2
https://ideone.com/7yd94Q
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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