#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(void){
    char *Astring = "test string";
    char *Bstring = 0;
    char *Cstring = 0;

    int string_size = strlen((const char*)Astring);
    Bstring = (char*)malloc(string_size);

    strcpy(Bstring,(const char*)Astring);

    printf("Astring    :%s\n",Astring);
    printf("AstringAddr:%llx\n",(unsigned long long)&Astring);

    //strcpy string
    printf("Bstring    :%s\n",Bstring);
    printf("BstringAddr:%llx\n",(unsigned long long)&Bstring);
    free(Bstring);

    Cstring = Astring;
    printf("Cstring    :%s\n",Cstring);
    printf("CstringAddr:%llx\n",(unsigned long long)&Cstring);

    return(0);
}