diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c
index 6dafeeb71..b28d21df0 100644
--- a/lib/curl_ntlm_core.c
+++ b/lib/curl_ntlm_core.c
@@ -654,7 +654,7 @@ CURLcode Curl_ntlm_core_mk_ntlmv2_resp(unsigned char *ntlmv2hash,
            "%c%c%c%c",  /* Reserved = 0 */
            0, 0, 0, 0);
 
-  write64_le(tw, ptr + 24);
+  Curl_write64_le(tw, ptr + 24);
   memcpy(ptr + 32, challenge_client, 8);
   memcpy(ptr + 44, ntlm->target_info, ntlm->target_info_len);
 
diff --git a/lib/curl_ntlm_msgs.c b/lib/curl_ntlm_msgs.c
index 3d6cf53e0..c25bebe1e 100644
--- a/lib/curl_ntlm_msgs.c
+++ b/lib/curl_ntlm_msgs.c
@@ -173,8 +173,8 @@ static CURLcode ntlm_decode_type2_target(struct SessionHandle *data,
   unsigned int target_info_offset = 0;
 
   if(size >= 48) {
-    target_info_len = readshort_le(&buffer[40]);
-    target_info_offset = readint_le(&buffer[44]);
+    target_info_len = Curl_read16_le(&buffer[40]);
+    target_info_offset = Curl_read32_le(&buffer[44]);
     if(target_info_len > 0) {
       if(((target_info_offset + target_info_len) > size) ||
          (target_info_offset < 48)) {
@@ -287,7 +287,7 @@ CURLcode Curl_sasl_decode_ntlm_type2_message(struct SessionHandle *data,
     return CURLE_BAD_CONTENT_ENCODING;
   }
 
-  ntlm->flags = readint_le(&type2[20]);
+  ntlm->flags = Curl_read32_le(&type2[20]);
   memcpy(ntlm->nonce, &type2[24], 8);
 
   if(ntlm->flags & NTLMFLAG_NEGOTIATE_TARGET_INFO) {
diff --git a/lib/endian.c b/lib/endian.c
index e1c2142d1..cf3e3c5e0 100644
--- a/lib/endian.c
+++ b/lib/endian.c
@@ -29,7 +29,7 @@
  * package to whatever endian format we're using natively. Argument is a
  * pointer to a 2 byte buffer.
  */
-unsigned short readshort_le(unsigned char *buf)
+unsigned short Curl_read16_le(unsigned char *buf)
 {
   return (unsigned short)(((unsigned short)buf[0]) |
                           ((unsigned short)buf[1] << 8));
@@ -40,13 +40,13 @@ unsigned short readshort_le(unsigned char *buf)
  * incoming package to whatever endian format we're using natively.
  * Argument is a pointer to a 4 byte buffer.
  */
-unsigned int readint_le(unsigned char *buf)
+unsigned int Curl_read32_le(unsigned char *buf)
 {
   return ((unsigned int)buf[0]) | ((unsigned int)buf[1] << 8) |
          ((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
 }
 
-void write32_le(const int value, unsigned char *buffer)
+void Curl_write32_le(const int value, unsigned char *buffer)
 {
   buffer[0] = (char)(value & 0x000000FF);
   buffer[1] = (char)((value & 0x0000FF00) >> 8);
@@ -56,12 +56,12 @@ void write32_le(const int value, unsigned char *buffer)
 
 #if (CURL_SIZEOF_CURL_OFF_T > 4)
 #if defined(HAVE_LONGLONG)
-void write64_le(const long long value, unsigned char *buffer)
+void Curl_write64_le(const long long value, unsigned char *buffer)
 #else
-void write64_le(const __int64 value, unsigned char *buffer)
+void Curl_write64_le(const __int64 value, unsigned char *buffer)
 #endif
 {
-  write32_le((int)value, buffer);
-  write32_le((int)(value >> 32), buffer + 4);
+  Curl_write32_le((int)value, buffer);
+  Curl_write32_le((int)(value >> 32), buffer + 4);
 }
 #endif
diff --git a/lib/endian.h b/lib/endian.h
index 3b0e08d1c..852fef376 100644
--- a/lib/endian.h
+++ b/lib/endian.h
@@ -22,16 +22,16 @@
  *
  ***************************************************************************/
 
-unsigned short readshort_le(unsigned char *buf);
-unsigned int readint_le(unsigned char *buf);
+unsigned short Curl_read16_le(unsigned char *buf);
+unsigned int Curl_read32_le(unsigned char *buf);
 
-void write32_le(const int value, unsigned char *buffer);
+void Curl_write32_le(const int value, unsigned char *buffer);
 
 #if (CURL_SIZEOF_CURL_OFF_T > 4)
 #if defined(HAVE_LONGLONG)
-void write64_le(const long long value, unsigned char *buffer);
+void Curl_write64_le(const long long value, unsigned char *buffer);
 #else
-void write64_le(const __int64 value, unsigned char *buffer);
+void Curl_write64_le(const __int64 value, unsigned char *buffer);
 #endif
 #endif