AddBuffer

#include <stdio.h>
//#include <sys/unp.h>
#include <string.h>


int AddBuffer(char** dest,const char*src,int* left,int len)
{
    int i = 0;
    if(*left < len)
    {
        return -1;
    }
    memcpy(*dest,src,len);
    *dest = *dest + len;
    *left = *left - len;
/*    while(i < len)
    {
         *(*dest) = *src++;

         (*dest)++;
         i++;
         ;
    }
    *left -= len;
*/
    return 0;
}


struct test{

    int uin;
    int uin2;
    char ch[0];
    int jj;
};
void main()
{
    char src[]="0123456789";
   /* struct test* p = (struct test*)malloc(sizeof(struct test) + 200*2048);
    printf("sizeof test is %d %lu %lu\n",sizeof(struct test),(char*)p->ch,&(p->jj));
    strcpy((char*)p->ch,ch);*/
//    printf("%lu %lu",(char*)p+8,p->ch);
//    printf("===== %s\n",(char*)p->ch);
//    printf("%s",CPU_VENDOR_OS);
    char* dest = (char*)malloc(sizeof(char)*100);
    char* p = dest;
    memset(dest,'0',100);
    int left = 100;
  //  printf("dest addr is %lu\n",dest);
//    bcopy(ch,tt,strlen(ch)+1);
    while(AddBuffer(&dest,src,&left,sizeof(src)-1) == 0);
    int i = 0;
    while(i < 100)
    {  
        printf("%c",p[i]);

        if(i%10 == 9) printf("\n");
        i++;
    }
//    printf("%s",p);  
    free(p);
}