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 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// okay to copy/adapt these macros
#define log_int(n) printf("%s == %d\n", (#n), n)
#define log_addr(n) printf("%s == %p\n", (#n), (void*)n)
void swap(int* a_left, int* a_right) {
int left_num = *a_left;
int right_num = *a_right;
*a_left = right_num;
*a_right = left_num;
}
int main(int argc, char* argv[]) {
int n1 = 5;
int n2 = 27;
log_int(n1);
log_int(n2);
swap(&n1, &n2);
printf("Swap called\n");
log_int(n1);
log_int(n2);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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