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  1. #include <stdio.h>
  2.  
  3. int foo(int i) {
  4.     printf("executing %s(%d)\n", __func__, i); // we called bar(), but function is still named "foo"
  5.     return i*i;
  6. }
  7.  
  8. int main(void) {
  9.     int (*bar)(int) = foo;      // provide an alias to foo
  10.     int foo;                    // shadow the foo identifier
  11.     foo = bar(4);               // foo is an int, call the function through the alias
  12.     printf("4^2 is %d\n", foo); // foo is still an int
  13. }
  14.  
Success #stdin #stdout 0s 5348KB
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Standard input is empty
stdout
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executing foo(4)
4^2 is 16
https://ideone.com/lXpQPm
language:
C (gcc 8.3)
created:
2 years ago
visibility:
secret

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