diff --git a/ndn-cpp/c/encoding/binary-xml-element-reader.h b/ndn-cpp/c/encoding/binary-xml-element-reader.h
index 2b09e25..85ea934 100644
--- a/ndn-cpp/c/encoding/binary-xml-element-reader.h
+++ b/ndn-cpp/c/encoding/binary-xml-element-reader.h
@@ -4,13 +4,13 @@
  */
 
 #ifndef NDN_BINARYXMLELEMENTREADER_H
-#define	NDN_BINARYXMLELEMENTREADER_H
+#define NDN_BINARYXMLELEMENTREADER_H
 
 #include "../errors.h"
 #include "binary-xml-structure-decoder.h"
 #include "../util/dynamic-uchar-array.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -76,7 +76,7 @@
 ndn_Error ndn_BinaryXmlElementReader_onReceivedData
   (struct ndn_BinaryXmlElementReader *self, unsigned char *data, unsigned int dataLength);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/encoding/binary-xml-encoder.c b/ndn-cpp/c/encoding/binary-xml-encoder.c
index 0734bca..6754e20 100644
--- a/ndn-cpp/c/encoding/binary-xml-encoder.c
+++ b/ndn-cpp/c/encoding/binary-xml-encoder.c
@@ -30,7 +30,7 @@
     return error;
   
   ndn_memcpy(self->output.array + self->offset, array, arrayLength);
-	self->offset += arrayLength;
+  self->offset += arrayLength;
   
   return NDN_ERROR_success;
 }
@@ -41,24 +41,24 @@
 static unsigned int getNHeaderEncodingBytes(unsigned int x) 
 {
   // Do a quick check for pre-compiled results.
-	if (x <= ENCODING_LIMIT_1_BYTE) 
+  if (x <= ENCODING_LIMIT_1_BYTE) 
     return 1;
-	if (x <= ENCODING_LIMIT_2_BYTES) 
+  if (x <= ENCODING_LIMIT_2_BYTES) 
     return 2;
-	if (x <= ENCODING_LIMIT_3_BYTES) 
+  if (x <= ENCODING_LIMIT_3_BYTES) 
     return 3;
-	
-	unsigned int nBytes = 1;
-	
-	// Last byte gives you TT_VALUE_BITS.
-	// Remainder each gives you REGULAR_VALUE_BITS.
-	x >>= ndn_BinaryXml_TT_VALUE_BITS;
-	while (x != 0) {
-    ++nBytes;
-	  x >>= ndn_BinaryXml_REGULAR_VALUE_BITS;
-	}
   
-	return nBytes;
+  unsigned int nBytes = 1;
+  
+  // Last byte gives you TT_VALUE_BITS.
+  // Remainder each gives you REGULAR_VALUE_BITS.
+  x >>= ndn_BinaryXml_TT_VALUE_BITS;
+  while (x != 0) {
+    ++nBytes;
+    x >>= ndn_BinaryXml_REGULAR_VALUE_BITS;
+  }
+  
+  return nBytes;
 }
 
 /**
@@ -172,34 +172,34 @@
 
 ndn_Error ndn_BinaryXmlEncoder_encodeTypeAndValue(struct ndn_BinaryXmlEncoder *self, unsigned int type, unsigned int value)
 {
-	if (type > ndn_BinaryXml_UDATA)
-		return NDN_ERROR_header_type_is_out_of_range;
+  if (type > ndn_BinaryXml_UDATA)
+    return NDN_ERROR_header_type_is_out_of_range;
   
-	// Encode backwards. Calculate how many bytes we need.
-	unsigned int nEncodingBytes = getNHeaderEncodingBytes(value);
+  // Encode backwards. Calculate how many bytes we need.
+  unsigned int nEncodingBytes = getNHeaderEncodingBytes(value);
   ndn_Error error;
   if ((error = ndn_DynamicUCharArray_ensureLength(&self->output, self->offset + nEncodingBytes)))
     return error;
 
-	// Bottom 4 bits of value go in last byte with tag.
-	self->output.array[self->offset + nEncodingBytes - 1] = 
-		(ndn_BinaryXml_TT_MASK & type | 
-		((ndn_BinaryXml_TT_VALUE_MASK & value) << ndn_BinaryXml_TT_BITS)) |
-		ndn_BinaryXml_TT_FINAL; // set top bit for last byte
-	value >>= ndn_BinaryXml_TT_VALUE_BITS;
-	
-	// Rest of value goes into preceding bytes, 7 bits per byte. (Zero top bit is "more" flag.)
-	unsigned int i = self->offset + nEncodingBytes - 2;
-	while (value != 0 && i >= self->offset) {
-		self->output.array[i] = (value & ndn_BinaryXml_REGULAR_VALUE_MASK);
-		value >>= ndn_BinaryXml_REGULAR_VALUE_BITS;
-		--i;
-	}
-	if (value != 0)
+  // Bottom 4 bits of value go in last byte with tag.
+  self->output.array[self->offset + nEncodingBytes - 1] = 
+    (ndn_BinaryXml_TT_MASK & type | 
+    ((ndn_BinaryXml_TT_VALUE_MASK & value) << ndn_BinaryXml_TT_BITS)) |
+    ndn_BinaryXml_TT_FINAL; // set top bit for last byte
+  value >>= ndn_BinaryXml_TT_VALUE_BITS;
+  
+  // Rest of value goes into preceding bytes, 7 bits per byte. (Zero top bit is "more" flag.)
+  unsigned int i = self->offset + nEncodingBytes - 2;
+  while (value != 0 && i >= self->offset) {
+    self->output.array[i] = (value & ndn_BinaryXml_REGULAR_VALUE_MASK);
+    value >>= ndn_BinaryXml_REGULAR_VALUE_BITS;
+    --i;
+  }
+  if (value != 0)
     // This should not happen if getNHeaderEncodingBytes is correct.
-		return NDN_ERROR_encodeTypeAndValue_miscalculated_N_encoding_bytes;
-	
-	self->offset+= nEncodingBytes;
+    return NDN_ERROR_encodeTypeAndValue_miscalculated_N_encoding_bytes;
+  
+  self->offset+= nEncodingBytes;
   
   return NDN_ERROR_success;
 }
@@ -210,8 +210,8 @@
   if ((error = ndn_DynamicUCharArray_ensureLength(&self->output, self->offset + 1)))
     return error;
   
-	self->output.array[self->offset] = ndn_BinaryXml_CLOSE;
-	self->offset += 1;
+  self->output.array[self->offset] = ndn_BinaryXml_CLOSE;
+  self->offset += 1;
   
   return NDN_ERROR_success;
 }
diff --git a/ndn-cpp/c/encoding/binary-xml-encoder.h b/ndn-cpp/c/encoding/binary-xml-encoder.h
index 309a789..ba67e8f 100644
--- a/ndn-cpp/c/encoding/binary-xml-encoder.h
+++ b/ndn-cpp/c/encoding/binary-xml-encoder.h
@@ -4,13 +4,13 @@
  */
 
 #ifndef NDN_BINARYXMLENCODER_H
-#define	NDN_BINARYXMLENCODER_H
+#define NDN_BINARYXMLENCODER_H
 
 #include "../errors.h"
 #include "../util/dynamic-uchar-array.h"
 #include "binary-xml.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -172,7 +172,7 @@
     return NDN_ERROR_success;
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/encoding/binary-xml-interest.c b/ndn-cpp/c/encoding/binary-xml-interest.c
index b5c17a4..a540222 100644
--- a/ndn-cpp/c/encoding/binary-xml-interest.c
+++ b/ndn-cpp/c/encoding/binary-xml-interest.c
@@ -32,14 +32,14 @@
     else if (entry->type == ndn_Exclude_ANY) {
       if ((error = ndn_BinaryXmlEncoder_writeElementStartDTag(encoder, ndn_BinaryXml_DTag_Any)))
         return error;
-    	if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
+      if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
         return error;
     }
     else
       return NDN_ERROR_unrecognized_ndn_ExcludeType;
-	}
+  }
   
-	if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
+  if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
     return error;
   
   return NDN_ERROR_success;  
@@ -163,7 +163,7 @@
       (encoder, ndn_BinaryXml_DTag_Nonce, interest->nonce, interest->nonceLength)))
     return error;
   
-	if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
+  if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
     return error;
   
   return NDN_ERROR_success;  
diff --git a/ndn-cpp/c/encoding/binary-xml-interest.h b/ndn-cpp/c/encoding/binary-xml-interest.h
index a1c9631..e8c955b 100644
--- a/ndn-cpp/c/encoding/binary-xml-interest.h
+++ b/ndn-cpp/c/encoding/binary-xml-interest.h
@@ -4,14 +4,14 @@
  */
 
 #ifndef NDN_BINARYXMLINTEREST_H
-#define	NDN_BINARYXMLINTEREST_H
+#define NDN_BINARYXMLINTEREST_H
 
 #include "../errors.h"
 #include "../interest.h"
 #include "binary-xml-encoder.h"
 #include "binary-xml-decoder.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -19,7 +19,7 @@
 
 ndn_Error ndn_decodeBinaryXmlInterest(struct ndn_Interest *interest, struct ndn_BinaryXmlDecoder *decoder);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/encoding/binary-xml-key.c b/ndn-cpp/c/encoding/binary-xml-key.c
index 4375c6c..5b6de79 100644
--- a/ndn-cpp/c/encoding/binary-xml-key.c
+++ b/ndn-cpp/c/encoding/binary-xml-key.c
@@ -33,7 +33,7 @@
   else
     return NDN_ERROR_unrecognized_ndn_KeyLocatorType;
   
-	if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
+  if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
     return error;
   
   return NDN_ERROR_success;
diff --git a/ndn-cpp/c/encoding/binary-xml-key.h b/ndn-cpp/c/encoding/binary-xml-key.h
index 38c7420..c069356 100644
--- a/ndn-cpp/c/encoding/binary-xml-key.h
+++ b/ndn-cpp/c/encoding/binary-xml-key.h
@@ -4,14 +4,14 @@
  */
 
 #ifndef NDN_BINARYXMLKEY_H
-#define	NDN_BINARYXMLKEY_H
+#define NDN_BINARYXMLKEY_H
 
 #include "../errors.h"
 #include "../key.h"
 #include "binary-xml-encoder.h"
 #include "binary-xml-decoder.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -40,7 +40,7 @@
  */
 ndn_Error ndn_decodeOptionalBinaryXmlKeyLocator(struct ndn_KeyLocator *keyLocator, struct ndn_BinaryXmlDecoder *decoder);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/encoding/binary-xml-name.c b/ndn-cpp/c/encoding/binary-xml-name.c
index 776965a..fb99070 100644
--- a/ndn-cpp/c/encoding/binary-xml-name.c
+++ b/ndn-cpp/c/encoding/binary-xml-name.c
@@ -19,9 +19,9 @@
     if ((error = ndn_BinaryXmlEncoder_writeBlobDTagElement
         (encoder, ndn_BinaryXml_DTag_Component, name->components[i].value, name->components[i].valueLength)))
       return error;
-	}
+  }
   
-	if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
+  if ((error = ndn_BinaryXmlEncoder_writeElementClose(encoder)))
     return error;
   
   return NDN_ERROR_success;
diff --git a/ndn-cpp/c/encoding/binary-xml-name.h b/ndn-cpp/c/encoding/binary-xml-name.h
index db2d3cd..6590aaa 100644
--- a/ndn-cpp/c/encoding/binary-xml-name.h
+++ b/ndn-cpp/c/encoding/binary-xml-name.h
@@ -4,14 +4,14 @@
  */
 
 #ifndef NDN_BINARYXMLNAME_H
-#define	NDN_BINARYXMLNAME_H
+#define NDN_BINARYXMLNAME_H
 
 #include "../errors.h"
 #include "../name.h"
 #include "binary-xml-encoder.h"
 #include "binary-xml-decoder.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -19,7 +19,7 @@
 
 ndn_Error ndn_decodeBinaryXmlName(struct ndn_Name *name, struct ndn_BinaryXmlDecoder *decoder);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/encoding/binary-xml-publisher-public-key-digest.h b/ndn-cpp/c/encoding/binary-xml-publisher-public-key-digest.h
index c6017b1..a649003 100644
--- a/ndn-cpp/c/encoding/binary-xml-publisher-public-key-digest.h
+++ b/ndn-cpp/c/encoding/binary-xml-publisher-public-key-digest.h
@@ -4,14 +4,14 @@
  */
 
 #ifndef NDN_BINARYXMLPUBLISHERPUBLICKEYDIGEST_H
-#define	NDN_BINARYXMLPUBLISHERPUBLICKEYDIGEST_H
+#define NDN_BINARYXMLPUBLISHERPUBLICKEYDIGEST_H
 
 #include "../errors.h"
 #include "../publisher-public-key-digest.h"
 #include "binary-xml-encoder.h"
 #include "binary-xml-decoder.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -44,7 +44,7 @@
 ndn_Error ndn_decodeOptionalBinaryXmlPublisherPublicKeyDigest
   (struct ndn_PublisherPublicKeyDigest *publisherPublicKeyDigest, struct ndn_BinaryXmlDecoder *decoder);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/encoding/binary-xml-structure-decoder.h b/ndn-cpp/c/encoding/binary-xml-structure-decoder.h
index 8c561a1..54c8648 100644
--- a/ndn-cpp/c/encoding/binary-xml-structure-decoder.h
+++ b/ndn-cpp/c/encoding/binary-xml-structure-decoder.h
@@ -4,11 +4,11 @@
  */
 
 #ifndef NDN_BINARYXMLSTRUCTUREDECODER_H
-#define	NDN_BINARYXMLSTRUCTUREDECODER_H
+#define NDN_BINARYXMLSTRUCTUREDECODER_H
 
 #include "../errors.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -54,7 +54,7 @@
   self->offset = offset;
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/interest.h b/ndn-cpp/c/interest.h
index 3248835..b596c50 100644
--- a/ndn-cpp/c/interest.h
+++ b/ndn-cpp/c/interest.h
@@ -4,12 +4,12 @@
  */
 
 #ifndef NDN_INTEREST_H
-#define	NDN_INTEREST_H
+#define NDN_INTEREST_H
 
 #include "name.h"
 #include "publisher-public-key-digest.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -67,8 +67,8 @@
   ndn_Interest_CHILD_SELECTOR_RIGHT = 1,
   ndn_Interest_ANSWER_CONTENT_STORE = 1,
   ndn_Interest_ANSWER_GENERATED = 2,
-  ndn_Interest_ANSWER_STALE = 4,		// Stale answer OK
-  ndn_Interest_MARK_STALE = 16,		  // Must have scope 0.  Michael calls this a "hack"
+  ndn_Interest_ANSWER_STALE = 4,    // Stale answer OK
+  ndn_Interest_MARK_STALE = 16,      // Must have scope 0.  Michael calls this a "hack"
 
   ndn_Interest_DEFAULT_ANSWER_ORIGIN_KIND = ndn_Interest_ANSWER_CONTENT_STORE | ndn_Interest_ANSWER_GENERATED
 };
@@ -78,15 +78,15 @@
  */
 struct ndn_Interest {
   struct ndn_Name name;
-	int minSuffixComponents;  /**< -1 for none */
-	int maxSuffixComponents;  /**< -1 for none */
+  int minSuffixComponents;  /**< -1 for none */
+  int maxSuffixComponents;  /**< -1 for none */
   struct ndn_PublisherPublicKeyDigest publisherPublicKeyDigest;
-	struct ndn_Exclude exclude;
-	int childSelector;        /**< -1 for none */
-	int answerOriginKind;     /**< -1 for none */
-	int scope;                /**< -1 for none */
-	double interestLifetimeMilliseconds; /**< milliseconds. -1.0 for none */
-	unsigned char *nonce;	    /**< pointer to pre-allocated buffer.  0 for none */
+  struct ndn_Exclude exclude;
+  int childSelector;        /**< -1 for none */
+  int answerOriginKind;     /**< -1 for none */
+  int scope;                /**< -1 for none */
+  double interestLifetimeMilliseconds; /**< milliseconds. -1.0 for none */
+  unsigned char *nonce;     /**< pointer to pre-allocated buffer.  0 for none */
   unsigned int nonceLength; /**< length of nonce.  0 for none */
 };
 
@@ -104,19 +104,19 @@
    struct ndn_ExcludeEntry *excludeEntries, unsigned int maxExcludeEntries) 
 {
   ndn_Name_init(&self->name, nameComponents, maxNameComponents);
-	self->minSuffixComponents = -1;
+  self->minSuffixComponents = -1;
   self->maxSuffixComponents = -1;
   ndn_PublisherPublicKeyDigest_init(&self->publisherPublicKeyDigest);
   ndn_Exclude_init(&self->exclude, excludeEntries, maxExcludeEntries);
-	self->childSelector = -1;
-	self->answerOriginKind = -1;
-	self->scope = -1;
-	self->interestLifetimeMilliseconds = -1.0;
-	self->nonce = 0;
-	self->nonceLength = 0;
+  self->childSelector = -1;
+  self->answerOriginKind = -1;
+  self->scope = -1;
+  self->interestLifetimeMilliseconds = -1.0;
+  self->nonce = 0;
+  self->nonceLength = 0;
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/key.h b/ndn-cpp/c/key.h
index 22ac0c4..0f599d5 100644
--- a/ndn-cpp/c/key.h
+++ b/ndn-cpp/c/key.h
@@ -4,9 +4,9 @@
  */
 
 #ifndef NDN_KEY_H
-#define	NDN_KEY_H
+#define NDN_KEY_H
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -31,7 +31,7 @@
   // TODO: Implement keyName.
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/name.h b/ndn-cpp/c/name.h
index 8096393..b7be236 100644
--- a/ndn-cpp/c/name.h
+++ b/ndn-cpp/c/name.h
@@ -4,9 +4,9 @@
  */
 
 #ifndef NDN_NAME_H
-#define	NDN_NAME_H
+#define NDN_NAME_H
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
   
@@ -52,7 +52,7 @@
   self->nComponents = 0;
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/publisher-public-key-digest.h b/ndn-cpp/c/publisher-public-key-digest.h
index 57b85f2..d54bfc8 100644
--- a/ndn-cpp/c/publisher-public-key-digest.h
+++ b/ndn-cpp/c/publisher-public-key-digest.h
@@ -4,9 +4,9 @@
  */
 
 #ifndef NDN_PUBLISHERPUBLICKEYDIGEST_H
-#define	NDN_PUBLISHERPUBLICKEYDIGEST_H
+#define NDN_PUBLISHERPUBLICKEYDIGEST_H
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -15,7 +15,7 @@
  * We make a separate struct since this is used by multiple other structs.
  */
 struct ndn_PublisherPublicKeyDigest {
-	unsigned char *publisherPublicKeyDigest;      /**< pointer to pre-allocated buffer.  0 for none */
+  unsigned char *publisherPublicKeyDigest;      /**< pointer to pre-allocated buffer.  0 for none */
   unsigned int publisherPublicKeyDigestLength;  /**< length of publisherPublicKeyDigest.  0 for none */  
 };
 
@@ -28,7 +28,7 @@
   self->publisherPublicKeyDigestLength = 0;
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/transport/socket-transport.c b/ndn-cpp/c/transport/socket-transport.c
index d48c794..a6fcbac 100644
--- a/ndn-cpp/c/transport/socket-transport.c
+++ b/ndn-cpp/c/transport/socket-transport.c
@@ -22,9 +22,9 @@
     self->socketDescriptor = -1;
   }
   
-	struct addrinfo hints;
-	ndn_memset((unsigned char *)&hints, 0, sizeof(hints));
-	hints.ai_family = AF_UNSPEC;
+  struct addrinfo hints;
+  ndn_memset((unsigned char *)&hints, 0, sizeof(hints));
+  hints.ai_family = AF_UNSPEC;
   if (socketType == SOCKET_TCP)
     hints.ai_socktype = SOCK_STREAM;
   else if (socketType == SOCKET_UDP)
@@ -35,31 +35,31 @@
   char portString[10];
   sprintf(portString, "%d", port);
   
-	struct addrinfo *serverInfo;
-	if (getaddrinfo(host, portString, &hints, &serverInfo) != 0)
-		return NDN_ERROR_SocketTransport_error_in_getaddrinfo;
+  struct addrinfo *serverInfo;
+  if (getaddrinfo(host, portString, &hints, &serverInfo) != 0)
+    return NDN_ERROR_SocketTransport_error_in_getaddrinfo;
 
-	// loop through all the results and connect to the first we can
-	struct addrinfo *p;
+  // loop through all the results and connect to the first we can
+  struct addrinfo *p;
   int socketDescriptor;
-	for(p = serverInfo; p != NULL; p = p->ai_next) {
-		if ((socketDescriptor = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1)
-			continue;
+  for(p = serverInfo; p != NULL; p = p->ai_next) {
+    if ((socketDescriptor = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1)
+      continue;
 
-		if (connect(socketDescriptor, p->ai_addr, p->ai_addrlen) == -1) {
-			close(socketDescriptor);
-			continue;
-		}
+    if (connect(socketDescriptor, p->ai_addr, p->ai_addrlen) == -1) {
+      close(socketDescriptor);
+      continue;
+    }
 
-		break;
-	}
-
-	if (p == NULL) {
-    freeaddrinfo(serverInfo);
-		return NDN_ERROR_SocketTransport_cannot_connect_to_socket;
+    break;
   }
 
-	freeaddrinfo(serverInfo);
+  if (p == NULL) {
+    freeaddrinfo(serverInfo);
+    return NDN_ERROR_SocketTransport_cannot_connect_to_socket;
+  }
+
+  freeaddrinfo(serverInfo);
   self->socketDescriptor = socketDescriptor;
 
   return NDN_ERROR_success;
@@ -91,12 +91,12 @@
     return NDN_ERROR_SocketTransport_socket_is_not_open;
 
   int nBytes;  
-	if ((nBytes = recv(self->socketDescriptor, buffer, bufferLength, 0)) == -1)
+  if ((nBytes = recv(self->socketDescriptor, buffer, bufferLength, 0)) == -1)
     return NDN_ERROR_SocketTransport_error_in_recv;
 
   *nBytesOut = (unsigned int)nBytes;
   
-	return NDN_ERROR_success;  
+  return NDN_ERROR_success;  
 }
 
 ndn_Error ndn_SocketTransport_close(struct ndn_SocketTransport *self)
diff --git a/ndn-cpp/c/transport/socket-transport.h b/ndn-cpp/c/transport/socket-transport.h
index 6973d19..0011e26 100644
--- a/ndn-cpp/c/transport/socket-transport.h
+++ b/ndn-cpp/c/transport/socket-transport.h
@@ -4,12 +4,12 @@
  */
 
 #ifndef NDN_SOCKETTRANSPORT_H
-#define	NDN_SOCKETTRANSPORT_H
+#define NDN_SOCKETTRANSPORT_H
 
 #include <sys/socket.h>
 #include "../errors.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -36,7 +36,7 @@
 
 ndn_Error ndn_SocketTransport_close(struct ndn_SocketTransport *self);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/transport/tcp-transport.h b/ndn-cpp/c/transport/tcp-transport.h
index 9a4787b..f0b5d0c 100644
--- a/ndn-cpp/c/transport/tcp-transport.h
+++ b/ndn-cpp/c/transport/tcp-transport.h
@@ -6,11 +6,11 @@
  */
 
 #ifndef NDN_TCPTRANSPORT_H
-#define	NDN_TCPTRANSPORT_H
+#define NDN_TCPTRANSPORT_H
 
 #include "socket-transport.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -44,7 +44,7 @@
   return ndn_SocketTransport_close(&self->base);
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/transport/udp-transport.h b/ndn-cpp/c/transport/udp-transport.h
index c6e77bf..82aee19 100644
--- a/ndn-cpp/c/transport/udp-transport.h
+++ b/ndn-cpp/c/transport/udp-transport.h
@@ -6,11 +6,11 @@
  */
 
 #ifndef NDN_UDPTRANSPORT_H
-#define	NDN_UDPTRANSPORT_H
+#define NDN_UDPTRANSPORT_H
 
 #include "socket-transport.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -44,7 +44,7 @@
   return ndn_SocketTransport_close(&self->base);
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/util/dynamic-uchar-array.h b/ndn-cpp/c/util/dynamic-uchar-array.h
index 9543721..cdcdcdd 100644
--- a/ndn-cpp/c/util/dynamic-uchar-array.h
+++ b/ndn-cpp/c/util/dynamic-uchar-array.h
@@ -4,12 +4,12 @@
  */
 
 #ifndef NDN_DYNAMICUCHARARRAY_H
-#define	NDN_DYNAMICUCHARARRAY_H
+#define NDN_DYNAMICUCHARARRAY_H
 
 #include "../errors.h"
 #include "ndn_memory.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -81,7 +81,7 @@
   return NDN_ERROR_success;
 };
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif