memcpy한 값을 확인하고 싶은데 잘 안되네요...소스좀 봐주세요.

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

typedef struct tagData{
        int nFlag;
        int nSize;
        char* pszData;
}DATA;

DATA dtCommand, dtOption; //--
char btBuf[1024];
char aaa[1024];
int i;
int main(int argc,char *argv[])
{
        int b_size,command_size,option_size;
        memset(btBuf, 0x00, sizeof(btBuf));  //--

        dtCommand.nFlag = 0;
        dtCommand.nSize=strlen("command command");
        dtCommand.pszData=(char *)malloc(dtCommand.nSize*sizeof(char));
        strcpy(dtCommand.pszData,"command command");
        memcpy((char *)btBuf, &dtCommand, sizeof(int) * 2);
        memcpy((char *)(btBuf + sizeof(int)*2), &dtCommand.pszData, dtCommand.nSize);  //--
        //strcpy((char*)(btBuf + sizeof(int) * 2),dtCommand.pszData);

        b_size=(sizeof(int) *2 +dtCommand.nSize);

        dtOption.nFlag = 1;
        dtOption.nSize=strlen("data data");
        dtOption.pszData=(char *)malloc(dtOption.nSize*sizeof(char));
        strcpy(dtOption.pszData,"option option");
        memcpy((char*)(btBuf + b_size), &dtOption, sizeof(int) * 2);
        memcpy((char*)(btBuf + b_size + sizeof(int) * 2), &dtOption.pszData,dtOption.nSize);

        sprintf(aaa,"%s",btBuf);
        for(i=0;i<100;i++)
        printf("%c",aaa[i]);
        return 0;
}