摘要： #include<stdio.h>int main(){ void swap(int x,int y); void swap2(char s[]); int a=5,b=7; char w[]="ab"; printf("a=%d,b=%d\n",a,b); swap(a,b); printf("swap:a=%d,b=%d\n",a,b); printf("w=%s\n",w); swap2(w); printf("swap:w=%s\n",w); return 0;}void s 阅读全文