()第十章指针 ch9 03.c 例将数从大到小輸出 (main) swap(int *pl, int *p2) 200 整型变量a i int p 2002 整型变量b 5 p 20041 指针 pointer 1 p1=*p2; 2000 2006 指针 pointer *p2=p, 2002 2008 COPY 200A (swap) main ( 指针pl 2000 指针p2 int a b 200G 2002 int *pointer 1, " pointer 2 200E 5 整型p scan f("%d,%d",&a,&b);2010 pointer 1=&a; pointer 2=&b if(a<b swap(pointer 1, pointer 2); printf("in%d, %d\n",a, b);15 第十章 指针 swap(int *p1, int *p2) { int p; p=*p1; *p1=*p2; *p2=p; } main() { int a,b; int *pointer_1,*pointer_2; scanf("%d,%d",&a,&b); pointer_1=&a; pointer_2=&b; if(a<b)swap(pointer_1,pointer_2); printf("\n%d,%d\n",a,b); } …... 2000 2008 200A 2002 2004 2006 200C 200E 2010 ... 5 9 整型变量a 整型变量b (main) 指针pointer_1 指针pointer_2 2000 2002 (swap) 指针p1 指针p2 整型p 5 9 2000 2002 COPY 5 例 将数从大到小输出