hpi_shell

static command_def_t *get_cmd(char *name)
{
 const char *p;
 command_def_t *c, *res = (command_def_t *)NULL;
 int  len = strlen(name);
 int  n = 0;

 for (c = commands; (p = c->cmd) != NULL; c++)
 {
  //非交互命令，过滤非比较对象
  if ((c->type != MAIN_COM) && (c->type != block_type) &&
   (c->type != UNDEF_COM))
  {
   continue;
  }

  //比较对象与  name
  if (strncmp(p, name, len) == 0)
  {
   if (n == 0) {res = c};
   n++;
  };
  
  //
  if (strcmp(p, name) == 0)
  {
   return(c);
  }
 };
 if (n == 1) return(res);
 return((command_def_t *)NULL);
}