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  1. #include <stdio.h>
  2.  
  3. typedef enum {tarasB = 0, superhackkiller1997, other_shit} users_t;
  4.  
  5. char * users[] = {"tarasB", "superhackkiller1997", "other_shit"};
  6.  
  7. typedef void(*say_ptr_t)(char *);
  8.  
  9. users_t global_usr = other_shit;
  10.  
  11. say_ptr_t bind(users_t usr) {
  12.   void say(char * str) {
  13.     fprintf(stderr, "%s: %s\n", users[global_usr], str);
  14.   }
  15.   global_usr = usr;
  16.   say_ptr_t volatile p = say;
  17.   return p;
  18. }
  19.  
  20. int main(void) {
  21.   bind(tarasB)("shit");
  22.   bind(superhackkiller1997)("i'm god");
  23.   bind(other_shit)("ko-ko-ko");
  24.   return 0;
  25. }
Success #stdin #stdout #stderr 0s 1828KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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tarasB: shit
superhackkiller1997: i'm god
other_shit: ko-ko-ko
https://ideone.com/zLNMHx
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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