arrays/03_swap.c - Funktionen swap og et hovedprogram, som kalder swap på to variable. | Lektion 9 - slide 11 : 30 Program 3 |
#include <stdio.h> void swap(int *p, int *q){ int tmp; tmp = *p; *p = *q; *q = tmp; } int main(void){ int a = 3, b = 7; /* We want to exchange the values of a and b */ printf("%d %d\n", a, b); /* 3 7 is printed */ swap(&a, &b); printf("%d %d\n", a, b); /* 7 3 is printed */ return 0; }