10.19.2.cpp

c入门代码大全

//形参用字符指针变量
#include<stdio.h> 
int main()
{
    void copy_string(char from[],char to[]);
    char from[]="I am a teacher.";
    char to[]="You are a student.";
    char *a=from,*b=to;
    printf("string a=%s\nstring b=%s\n",a,b);
    printf("copy string a to string b:\n");
    copy_string(a,b);
    printf("\nstring a=%s\nstring b=%s\n",a,b);
    getchar();
}
void copy_string(char *from,char *to)
{
     for(;*from!='\0';from++,to++)
     *to=*from;
     *to='\0';
}