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- #include <stdio.h>
- #include <stdlib.h>
- int array_len(int *a);
- void func(int *p, size_t n) {
- for (size_t i = 0; i < n; i++)
- printf("%d ", p[i]);
- }
- int main(void) {
- int array[3] = { 1, 2, 3 };
- func(array, array_len(array));
- return 0;
- }
- int array_len(int *a)
- {
- sizeof a / sizeof *a;
- }
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