diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0daee7f..b698019 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,6 +17,10 @@ ENDIF(NOT MSVC)
 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_SOURCE_DIR}/config.h)
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/include)
 
+IF(MSVC)
+  INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/win32 ${CMAKE_CURRENT_SOURCE_DIR}/win32/stdint)
+ENDIF(MSVC)
+
 # make it easy to locate CMake modules for finding libraries
 SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules/")
 
diff --git a/examples/nfc-anticol.c b/examples/nfc-anticol.c
index a646e71..9b1857f 100644
--- a/examples/nfc-anticol.c
+++ b/examples/nfc-anticol.c
@@ -33,8 +33,6 @@
 #include <stdbool.h>
 #include <string.h>
 
-#include <sys/endian.h>
-
 #include <nfc/nfc.h>
 
 #include <nfc/nfc-messages.h>
@@ -200,12 +198,10 @@ int main(int argc,char* argv[])
   transmit_bytes(abtHalt,4);
 
   printf("\nFound tag with UID: ");
-  if (szUidLen == 4)
-  {
-    printf("%08x\n", bswap32( *((uint32_t *)&abtUid)));
-  } else {
-    printf("%014llx\n",bswap64(*((uint64_t *) &abtUid))&0x00ffffffffffffffull);
+  if (szUidLen == 7) {
+    printf("%02x%02x%02x", abtUid[6], abtUid[5], abtUid[4]);
   }
+  printf("%02x%02x%02x%02x\n", abtUid[3], abtUid[2], abtUid[1], abtUid[0]);
 
   nfc_disconnect(pnd);
   return 0;
diff --git a/examples/nfc-list.c b/examples/nfc-list.c
index 6aae21a..9a39277 100644
--- a/examples/nfc-list.c
+++ b/examples/nfc-list.c
@@ -54,13 +54,14 @@ int main(int argc, const char* argv[])
   size_t i;
   nfc_target_info_t nti;
   nfc_device_desc_t *pnddDevices;
+  const char* acLibnfcVersion;
 
   if (argc > 1) {
     errx (1, "usage: %s", argv[0]);
   }
 
   // Display libnfc version
-  const char* acLibnfcVersion = nfc_version();
+  acLibnfcVersion = nfc_version();
   printf("%s use libnfc %s\n", argv[0], acLibnfcVersion);
 
   #ifdef HAVE_LIBUSB
diff --git a/examples/nfc-mfclassic.c b/examples/nfc-mfclassic.c
index 49c249d..4ecd107 100644
--- a/examples/nfc-mfclassic.c
+++ b/examples/nfc-mfclassic.c
@@ -35,8 +35,6 @@
 #include <string.h>
 #include <ctype.h>
 
-#include <sys/endian.h>
-
 #include <nfc/nfc.h>
 
 #include "mifaretag.h"
@@ -466,14 +464,14 @@ int main(int argc, const char* argv[])
         // Compare if key dump UID is the same as the current tag UID
         if (memcmp(nti.nai.abtUid,pbtUID,4) != 0)
         {
-          printf("Expected MIFARE Classic %cK card with UID: %08x\n",b4K?'4':'1',bswap32(*((uint32_t *)&pbtUID)));
+          printf("Expected MIFARE Classic %cK card with UID: %02x%02x%02x%02x\n",b4K?'4':'1', pbtUID[3], pbtUID[2], pbtUID[1], pbtUID[0]);
         }
       }
     
       // Get the info from the current tag
       pbtUID = nti.nai.abtUid;
       b4K = (nti.nai.abtAtqa[1] == 0x02);
-      printf("Found MIFARE Classic %cK card with UID: %08x\n",b4K?'4':'1',bswap32(*((uint32_t *)&pbtUID)));
+      printf("Found MIFARE Classic %cK card with UID: %02x%02x%02x%02x\n",b4K?'4':'1', pbtUID[3], pbtUID[2], pbtUID[1], pbtUID[0]);
     
       uiBlocks = (b4K)?0xff:0x3f;
     
diff --git a/examples/nfc-mfultralight.c b/examples/nfc-mfultralight.c
index c70c65e..88452c4 100644
--- a/examples/nfc-mfultralight.c
+++ b/examples/nfc-mfultralight.c
@@ -35,8 +35,6 @@
 #include <string.h>
 #include <ctype.h>
 
-#include <sys/endian.h>
-
 #include <nfc/nfc.h>
 
 #include "mifareultag.h"
@@ -217,9 +215,9 @@ int main(int argc, const char* argv[])
   }
 
 
-  // Get the info from the current tag
+  // Get the info from the current tag (UID is stored little-endian)
   pbtUID = nti.nai.abtUid;
-  printf("Found MIFARE Ultralight card with uid: %08x\n", bswap32(*((uint32_t *)&pbtUID)));
+  printf("Found MIFARE Ultralight card with uid: %02x%02x%02x%02x\n", pbtUID[3], pbtUID[2], pbtUID[1], pbtUID[0]);
 
   if (bReadAction)
   {
diff --git a/libnfc/drivers/acr122.c b/libnfc/drivers/acr122.c
index f4539be..dba6e64 100644
--- a/libnfc/drivers/acr122.c
+++ b/libnfc/drivers/acr122.c
@@ -347,11 +347,11 @@ char* acr122_firmware(const nfc_device_spec_t nds)
 
 bool acr122_led_red(const nfc_device_spec_t nds, bool bOn)
 {
-  (void)bOn;
   byte_t abtLed[9] = { 0xFF,0x00,0x40,0x05,0x04,0x00,0x00,0x00,0x00 };
   acr122_spec_t* pas = (acr122_spec_t*)nds;
   byte_t abtBuf[2];
   size_t szBufLen = sizeof(abtBuf);
+  (void)bOn;
   if (pas->ioCard.dwProtocol == SCARD_PROTOCOL_UNDEFINED)
   {
     return (SCardControl(pas->hCard,IOCTL_CCID_ESCAPE_SCARD_CTL_CODE,abtLed,sizeof(abtLed),abtBuf,szBufLen,(void*)&szBufLen) == SCARD_S_SUCCESS);
diff --git a/libnfc/drivers/arygon.c b/libnfc/drivers/arygon.c
index 12e6d5a..733de56 100644
--- a/libnfc/drivers/arygon.c
+++ b/libnfc/drivers/arygon.c
@@ -217,6 +217,9 @@ bool arygon_transceive(const nfc_device_spec_t nds, const byte_t* pbtTx, const s
   size_t szRxBufLen = BUFFER_LENGTH;
   size_t szPos;
 
+  const byte_t pn53x_ack_frame[] = { 0x00,0x00,0xff,0x00,0xff,0x00 };
+  const byte_t pn53x_nack_frame[] = { 0x00,0x00,0xff,0xff,0x00,0x00 };
+
   // Packet length = data length (len) + checksum (1) + end of stream marker (1)
   abtTxBuf[4] = szTxLen;
   // Packet length checksum
@@ -251,8 +254,6 @@ bool arygon_transceive(const nfc_device_spec_t nds, const byte_t* pbtTx, const s
   PRINT_HEX("RX", abtRxBuf,szRxBufLen);
 #endif
 
-  const byte_t pn53x_ack_frame[] = { 0x00,0x00,0xff,0x00,0xff,0x00 };
-  const byte_t pn53x_nack_frame[] = { 0x00,0x00,0xff,0xff,0x00,0x00 };
   if(szRxBufLen >= sizeof(pn53x_ack_frame)) {
 
     // Check if PN53x reply ACK
diff --git a/libnfc/nfc.c b/libnfc/nfc.c
index debb4ab..ed04105 100644
--- a/libnfc/nfc.c
+++ b/libnfc/nfc.c
@@ -590,14 +590,17 @@ nfc_initiator_poll_targets(const nfc_device_t* pnd,
 			   const byte_t btPollNr, const byte_t btPeriod, 
 			   nfc_target_t* pntTargets, size_t* pszTargetFound)
 {
+  size_t szTxInAutoPoll, n, szRxLen;
+  byte_t abtRx[256];
+  bool res;
+  byte_t *pbtTxInAutoPoll;
   if(pnd->nc == NC_PN531) {
     // errno = ENOSUPP
     return false;
   }
 //   byte_t abtInAutoPoll[] = { 0xd4, 0x60, 0x0f, 0x01, 0x00 };
-  size_t szTxInAutoPoll = 4 + szTargetTypes;
-  size_t n;
-  byte_t *pbtTxInAutoPoll = malloc( szTxInAutoPoll );
+  szTxInAutoPoll = 4 + szTargetTypes;
+  pbtTxInAutoPoll = malloc( szTxInAutoPoll );
   pbtTxInAutoPoll[0] = 0xd4;
   pbtTxInAutoPoll[1] = 0x60;
   pbtTxInAutoPoll[2] = btPollNr;
@@ -606,9 +609,8 @@ nfc_initiator_poll_targets(const nfc_device_t* pnd,
     pbtTxInAutoPoll[4+n] = pnttTargetTypes[n];
   }
 
-  size_t szRxLen = 256;
-  byte_t abtRx[256];
-  bool res = pnd->pdc->transceive(pnd->nds, pbtTxInAutoPoll, szTxInAutoPoll, abtRx, &szRxLen);
+  szRxLen = 256;
+  res = pnd->pdc->transceive(pnd->nds, pbtTxInAutoPoll, szTxInAutoPoll, abtRx, &szRxLen);
 
   if((szRxLen == 0)||(res == false)) {
     DBG("pnd->pdc->tranceive() failed: szRxLen=%d, res=%d", szRxLen, res);
@@ -616,12 +618,13 @@ nfc_initiator_poll_targets(const nfc_device_t* pnd,
   } else {
     *pszTargetFound = abtRx[0];
     if( *pszTargetFound ) {
+      uint8_t ln;
       byte_t* pbt = abtRx + 1;
       /* 1st target */
       // Target type
       pntTargets[0].ntt = *(pbt++);
       // AutoPollTargetData length
-      uint8_t ln = *(pbt++);
+      ln = *(pbt++);
       pn53x_decode_target_data(pbt, ln, pnd->nc, pntTargets[0].ntt, &(pntTargets[0].nti));
       pbt += ln;
 
diff --git a/win32/err.h b/win32/err.h
new file mode 100644
index 0000000..545d9e6
--- /dev/null
+++ b/win32/err.h
@@ -0,0 +1,12 @@
+#ifndef _ERR_H_
+#define _ERR_H_
+
+#include <stdlib.h>
+
+#define warnx(...) fprintf (stderr, __VA_ARGS__)
+#define errx(code, ...) do { \
+	fprintf (stderr, __VA_ARGS__); \
+	exit (code); \
+} while (0)
+
+#endif /* !_ERR_H_ */