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C - my strcpy ,string copy       Share
2007-09-02 |  RatheeshTR  | Viewed: 1183  |    0

 we can proceed to creating our own replacement for the standard strcpy() that comes 
with C. It might look like:

   
char *my_strcpy(char *destination, char *source)
   {
       
char *p = destination;
       while (*source != '\0')
       {
           *p++ = *source++;
       }
       *p = '\0';
       return destination;
   }   

In this case, I have followed the practice used in the standard routine of returning a
pointer to the destination.

Again, the function is designed to accept the values of two character pointers, i.e. 
addresses, and thus in the previous program we could write:

    
int main(void)
    {
        my_strcpy(strB, strA);
        puts(strB);
    }    


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