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[code=C/C++]
char** t;
main()
{
    char c[1];
    char** t1;
    sprintf(c,"%d",t);
    printf("t=%s---\n",c);
    if(strcmp(c,"0")!=0)
    {
        printf("t is Not Null\n");
    }
    sprintf(c,"%d",t1);
    printf("t1=%s---\n",c);
    if(strcmp(c,"0")!=0)
    {
        printf("t1 is Not Null\n");
    }
}
[/code]


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char *strcat (char *dst, const char *src)
{
  char *p = dst;
  while (*p)
    p++;
  while ((*p++ = *src++))
    ;
  return dst;
}
char *strncat (char *s1, const char *s2, long unsigned int n)
{
  char *dest = s1;
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