Hi, yes the typemap is the same as before, if I try to change to "T_PTROBJ_SPECIAL" it gives this error: 
Downloads/SDR::RTLSDR/SDR (another copy)/typemap'  RTLSDR.xs > RTLSDR.
+xsc
Can't locate object method "xstype" via package "SDR__RTLSDR *" (perha
+ps you forgot to load "SDR__RTLSDR *"?) at /usr/local/share/perl/5.22
+.1/ExtUtils/ParseXS.pm line 1905, <__ANONIO__> line 38.
Makefile:359: recipe for target 'RTLSDR.c' failed

[download]
the typemap file now is: 

  GNU nano 2.5.3                                File: typemap         
+                                                               

TYPEMAP

SDR::RTLSDR *        T_PTROBJ_SPECIAL
SDR::RTLSDR **       T_PTROBJ

const char *        T_PV
int *               T_PV
char *              T_PV
unsigned long int   T_U_LONG
uint8_t             T_U_SHORT
uint8_t *           T_U_SHORT
uint16_t            T_U_SHORT
uint32_t *          T_U_SHORT
uint32_t            T_U_SHORT

[download]

In reply to Re^4: help with XS pointers by Bpl
in thread help with XS pointers by Bpl

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