1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | #include <stdio.h>
#include <stdlib.h>
double ant(char c, int i) {
printf("in ant\n");
return 1.0 * i / c;
}
double bat(char see, int eye) {
printf("in bat\n");
return 1.0 * eye * see;
}
void call_fn(double (*animal_arg)(char, int), char ceee, int eiiii) {
animal_arg(ceee, eiiii);
}
int main(int argc, char* argv[]) {
// DECLARE A FUNCTION ADDRESS VARIABLE THAT YOU CAN ASSIGN
// ant(…) or bat(…).
double (*animal_fn)(char, int) = ant;
animal_fn('A', 13);
animal_fn = bat;
animal_fn('A', 13);
animal_fn = NULL;
call_fn(ant, 'Z', 99);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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