17   VIO_DATA *vf = (VIO_DATA *)user_data;  in vfget_filelen()  local
18   return vf->length;  in vfget_filelen()
23   VIO_DATA *vf = (VIO_DATA *)user_data;  in vfseek()  local
33       new_offset = vf->offset + offset;  in vfseek()
37       new_offset = vf->length + offset;  in vfseek()
45   if (new_offset > vf->length)  in vfseek()
50            new_offset, vf->length, whence, vf->offset, offset);  in vfseek()
51     new_offset = vf->length;  in vfseek()
58            new_offset, whence, vf->offset, vf->length, offset);  in vfseek()
61   vf->offset = new_offset;  in vfseek()
63   return vf->offset;  in vfseek()
68   VIO_DATA *vf = (VIO_DATA *)user_data;  in vfread()  local
70   if (vf->offset + count > vf->length)  in vfread()
72     count = vf->length - vf->offset;  in vfread()
75   memcpy(ptr, vf->data + vf->offset, count);  in vfread()
76   vf->offset += count;  in vfread()
92 { VIO_DATA *vf = (VIO_DATA *)user_data;  in vftell()  local
94   return vf->offset;  in vftell()