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  1. #include <stdio.h>
  2.  
  3. typedef int (*fx)(void); // fx is pointer to function taking no parameters and returning int
  4.  
  5. int foo_1(void) { printf("%s\n", __func__); return 1; }
  6. int foo_2(void) { printf("%s\n", __func__); return 2; }
  7. int foo_three(void) { printf("%s\n", __func__); return 3; }
  8.  
  9. int main(void) {
  10.     fx foo[3] = { foo_1, foo_2, foo_three };
  11.     for (int k = 0; k < 3; k++) {
  12.         printf("foo[%d]() returns %d\n", k, foo[k]());
  13.     }
  14. }
  15.  
Success #stdin #stdout 0s 9424KB
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stdin
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Standard input is empty
stdout
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foo_1
foo[0]() returns 1
foo_2
foo[1]() returns 2
foo_three
foo[2]() returns 3
https://ideone.com/dUaFjR
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

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