text: #include <oneos_config.h>
  #include <extension/errno_ext.h>
  #ifdef OS_USING_VFS
  #include "vfs_posix.h"
  #endif
  
  int rename(const char *old, const char *new)
  {
  #ifdef OS_USING_VFS
      return vfs_rename(old, new);
  #else
      errno = ENOTSUP;
      return -1;
  #endif
  }
  