blob: de770669fb359b01c54aa0ce41a1317bc9847ebe (
plain) (
blame)
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
35
36
37
38
39
40
41
42
43
|
#include <stdio.h>
#include <stdlib.h>
int doub(int);
int trip(int);
int half(int);
void fpv_exec(int (**fpv)(int), int n);
int doub(int i) {
return i * 2;
}
int trip(int i) {
return i * 3;
}
int half(int i) {
return i / 2;
}
void fpv_exec(int (**fpv)(int), int n) {
int i;
for (i = 0; *(fpv + i) != NULL; i++) {
printf("%d\n", (*(fpv + i))(n));
}
}
int main(int argc, char **argv) {
int (**fpv)(int);
fpv = calloc(4, sizeof(int (*)(int)));
fpv[0] = doub;
fpv[1] = trip;
fpv[2] = half;
fpv[3] = NULL;
for (argv++, argc--; argc; argv++, argc--) {
fpv_exec(fpv, atoi(*argv));
}
exit(EXIT_SUCCESS);
}
|