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  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4.  
  5.  
  6.  
  7. void my_char_plus(const void *a, const void *b, void *c)
  8. {
  9.     char tmp =  (*(char*)a + *(char*)b);
  10.     memcpy(c,(void*)(&tmp),sizeof(char));
  11. }
  12.  
  13.  
  14.  
  15. void operation(const void *funct(const void*,const void*,void*),
  16.                       const void *a, const void *b, void *c )
  17. {
  18.     funct(a,b,c);
  19. }
  20.  
  21.  
  22.  
  23. int main(void)
  24. {
  25.     char a, b, c;
  26.     a = 5; b = 7;
  27.  
  28.     void *plus = &my_char_plus;
  29.     operation(plus, (const void*)&a, (const void*)&b, (void*)&c);
  30.     printf("%i\n", c);
  31.  
  32.     return 0;
  33. }
Success #stdin #stdout 0s 1788KB
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https://ideone.com/XOsUW4
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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