摘要： learning c language,1 lesson per day,keep on,do more practise.origin:#include <stdio.h>main(){ int a,b; a=2;b=5; swap(a,b); printf("a=%d,b+%d\n",a,b);} swap(x,y) int x,y;{ int t; t=x; x=y; y=t; printf("x=%d,y=%d\n",x,y);}finished#include <stdio.h>void swap(int x, int 阅读全文