1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
#include <stdio.h>
#include <stdlib.h>

int getN(int n) {
    return n;
}

int main(int argc, char *argv[]) {
    int (*f)(int) = getN;
    /*
     ^ return type
          ^ name of the function address being declared
             ^ type(s) of parameters that it takes
                    ^ other function being assigned
    
    This will be the address of the code for this function in the text segment.
    */

    int b = f(5);
    printf("%d\n", b);
    return 0;
}

This content is protected and may not be shared, uploaded, or distributed.    © 2019 Alexander J. Quinn.