10-19.cpp

C程序设计（第3版）程序源代码,提供你最丰富的实际代码

#include <stdio.h>
void main()
{void copy_string(char from[ ], char to[ ]);
char a[ ]="I am a teacher.";
       char b[ ]="you are a student.";
       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);  
   }
void copy_string(char from[ ], char to[ ])
      {int i=0;
      while(from[i]!='\0')
        {to[i]=from[i];i++;}
      to[i]='\0';
      }