diff --git a/cc3200/ftp/ftp.c b/cc3200/ftp/ftp.c
index ebf7861a9265a7c5b27a5939448389ac6b72c2e7..9dbc7ca33220be42fff2f3fe94fa2c98e888d16d 100644
--- a/cc3200/ftp/ftp.c
+++ b/cc3200/ftp/ftp.c
@@ -500,12 +500,12 @@ static void ftp_wait_for_enabled (void) {
 
 static bool ftp_create_listening_socket (_i16 *sd, _u16 port, _u8 backlog) {
     SlSockNonblocking_t nonBlockingOption;
-    sockaddr_in         sServerAddress;
+    SlSockAddrIn_t sServerAddress;
     _i16 _sd;
     _i16 result;
 
     // Open a socket for ftp data listen
-    ASSERT ((*sd = sl_Socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) > 0);
+    ASSERT ((*sd = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_IPPROTO_IP)) > 0);
     _sd = *sd;
 
     if (_sd > 0) {
@@ -514,12 +514,12 @@ static bool ftp_create_listening_socket (_i16 *sd, _u16 port, _u8 backlog) {
 
         // Enable non-blocking mode
         nonBlockingOption.NonblockingEnabled = 1;
-        ASSERT ((result = sl_SetSockOpt(_sd, SOL_SOCKET, SL_SO_NONBLOCKING, &nonBlockingOption, sizeof(nonBlockingOption))) == SL_SOC_OK);
+        ASSERT ((result = sl_SetSockOpt(_sd, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &nonBlockingOption, sizeof(nonBlockingOption))) == SL_SOC_OK);
 
         // Bind the socket to a port number
-        sServerAddress.sin_family = AF_INET;
-        sServerAddress.sin_addr.s_addr = INADDR_ANY;
-        sServerAddress.sin_port = htons(port);
+        sServerAddress.sin_family = SL_AF_INET;
+        sServerAddress.sin_addr.s_addr = SL_INADDR_ANY;
+        sServerAddress.sin_port = sl_Htons(port);
 
         ASSERT ((result |= sl_Bind(_sd, (const SlSockAddr_t *)&sServerAddress, sizeof(sServerAddress))) == SL_SOC_OK);
 
@@ -535,7 +535,7 @@ static bool ftp_create_listening_socket (_i16 *sd, _u16 port, _u8 backlog) {
 }
 
 static ftp_result_t ftp_wait_for_connection (_i16 l_sd, _i16 *n_sd) {
-    sockaddr_in  sClientAddress;
+    SlSockAddrIn_t sClientAddress;
     SlSocklen_t  in_addrSize;
 
     // accepts a connection from a TCP client, if there is any, otherwise returns SL_EAGAIN
diff --git a/cc3200/mods/modusocket.c b/cc3200/mods/modusocket.c
index 45f1f2d478415d6458e04258cae1ac6dbc71b93b..d48c474ef3381964387417c34c9f12abbc15ca99 100644
--- a/cc3200/mods/modusocket.c
+++ b/cc3200/mods/modusocket.c
@@ -95,13 +95,13 @@ void modusocket_socket_delete (int16_t sd) {
 }
 
 void modusocket_enter_sleep (void) {
-    fd_set socketset;
+    SlFdSet_t socketset;
     int16_t maxfd = 0;
 
     for (int i = 0; i < MOD_NETWORK_MAX_SOCKETS; i++) {
         int16_t sd;
         if ((sd = modusocket_sockets[i].sd) >= 0) {
-            FD_SET(sd, &socketset);
+            SL_FD_SET(sd, &socketset);
             maxfd = (maxfd > sd) ? maxfd : sd;
         }
     }
@@ -133,9 +133,9 @@ STATIC mp_obj_t socket_make_new(const mp_obj_type_t *type, size_t n_args, size_t
     // create socket object
     mod_network_socket_obj_t *s = m_new_obj_with_finaliser(mod_network_socket_obj_t);
     s->base.type = (mp_obj_t)&socket_type;
-    s->sock_base.u_param.domain = AF_INET;
-    s->sock_base.u_param.type = SOCK_STREAM;
-    s->sock_base.u_param.proto = IPPROTO_TCP;
+    s->sock_base.u_param.domain = SL_AF_INET;
+    s->sock_base.u_param.type = SL_SOCK_STREAM;
+    s->sock_base.u_param.proto = SL_IPPROTO_TCP;
     s->sock_base.u_param.fileno = -1;
     s->sock_base.has_timeout = false;
     s->sock_base.cert_req = false;
@@ -501,13 +501,13 @@ STATIC mp_obj_t mod_usocket_getaddrinfo(mp_obj_t host_in, mp_obj_t port_in) {
 
     // ipv4 only
     uint8_t out_ip[MOD_NETWORK_IPV4ADDR_BUF_SIZE];
-    int32_t result = wlan_gethostbyname(host, hlen, out_ip, AF_INET);
+    int32_t result = wlan_gethostbyname(host, hlen, out_ip, SL_AF_INET);
     if (result < 0) {
         mp_raise_OSError(-result);
     }
     mp_obj_tuple_t *tuple = mp_obj_new_tuple(5, NULL);
-    tuple->items[0] = MP_OBJ_NEW_SMALL_INT(AF_INET);
-    tuple->items[1] = MP_OBJ_NEW_SMALL_INT(SOCK_STREAM);
+    tuple->items[0] = MP_OBJ_NEW_SMALL_INT(SL_AF_INET);
+    tuple->items[1] = MP_OBJ_NEW_SMALL_INT(SL_SOCK_STREAM);
     tuple->items[2] = MP_OBJ_NEW_SMALL_INT(0);
     tuple->items[3] = MP_OBJ_NEW_QSTR(MP_QSTR_);
     tuple->items[4] = netutils_format_inet_addr(out_ip, port, NETUTILS_LITTLE);
@@ -525,14 +525,14 @@ STATIC const mp_map_elem_t mp_module_usocket_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR_timeout),         (mp_obj_t)&mp_type_TimeoutError },
 
     // class constants
-    { MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET),         MP_OBJ_NEW_SMALL_INT(AF_INET) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AF_INET),         MP_OBJ_NEW_SMALL_INT(SL_AF_INET) },
 
-    { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_STREAM),     MP_OBJ_NEW_SMALL_INT(SOCK_STREAM) },
-    { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_DGRAM),      MP_OBJ_NEW_SMALL_INT(SOCK_DGRAM) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_STREAM),     MP_OBJ_NEW_SMALL_INT(SL_SOCK_STREAM) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_DGRAM),      MP_OBJ_NEW_SMALL_INT(SL_SOCK_DGRAM) },
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_SEC),     MP_OBJ_NEW_SMALL_INT(SL_SEC_SOCKET) },
-    { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_TCP),     MP_OBJ_NEW_SMALL_INT(IPPROTO_TCP) },
-    { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_UDP),     MP_OBJ_NEW_SMALL_INT(IPPROTO_UDP) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_TCP),     MP_OBJ_NEW_SMALL_INT(SL_IPPROTO_TCP) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_IPPROTO_UDP),     MP_OBJ_NEW_SMALL_INT(SL_IPPROTO_UDP) },
 };
 
 STATIC MP_DEFINE_CONST_DICT(mp_module_usocket_globals, mp_module_usocket_globals_table);
diff --git a/cc3200/mods/modwlan.c b/cc3200/mods/modwlan.c
index d9b018350a701a8a5466e44c4b423db5cf7289fb..3a2b869b1c072f60c31f095eff3b0343a0f27d82 100644
--- a/cc3200/mods/modwlan.c
+++ b/cc3200/mods/modwlan.c
@@ -122,8 +122,8 @@ typedef enum{
 #define WLAN_MAX_RX_SIZE                16000
 #define WLAN_MAX_TX_SIZE                1476
 
-#define MAKE_SOCKADDR(addr, ip, port)       sockaddr addr; \
-                                            addr.sa_family = AF_INET; \
+#define MAKE_SOCKADDR(addr, ip, port)       SlSockAddr_t addr; \
+                                            addr.sa_family = SL_AF_INET; \
                                             addr.sa_data[0] = port >> 8; \
                                             addr.sa_data[1] = port; \
                                             addr.sa_data[2] = ip[3]; \
@@ -1364,8 +1364,8 @@ int wlan_socket_listen(mod_network_socket_obj_t *s, mp_int_t backlog, int *_errn
 int wlan_socket_accept(mod_network_socket_obj_t *s, mod_network_socket_obj_t *s2, byte *ip, mp_uint_t *port, int *_errno) {
     // accept incoming connection
     int16_t sd;
-    sockaddr addr;
-    socklen_t addr_len = sizeof(addr);
+    SlSockAddr_t addr;
+    SlSocklen_t addr_len = sizeof(addr);
 
     sd = sl_Accept(s->sock_base.sd, &addr, &addr_len);
     // save the socket descriptor
@@ -1413,7 +1413,7 @@ int wlan_socket_recv(mod_network_socket_obj_t *s, byte *buf, mp_uint_t len, int
 
 int wlan_socket_sendto( mod_network_socket_obj_t *s, const byte *buf, mp_uint_t len, byte *ip, mp_uint_t port, int *_errno) {
     MAKE_SOCKADDR(addr, ip, port)
-    int ret = sl_SendTo(s->sock_base.sd, (byte*)buf, len, 0, (sockaddr*)&addr, sizeof(addr));
+    int ret = sl_SendTo(s->sock_base.sd, (byte*)buf, len, 0, (SlSockAddr_t*)&addr, sizeof(addr));
     if (ret < 0) {
         *_errno = ret;
         return -1;
@@ -1422,8 +1422,8 @@ int wlan_socket_sendto( mod_network_socket_obj_t *s, const byte *buf, mp_uint_t
 }
 
 int wlan_socket_recvfrom(mod_network_socket_obj_t *s, byte *buf, mp_uint_t len, byte *ip, mp_uint_t *port, int *_errno) {
-    sockaddr addr;
-    socklen_t addr_len = sizeof(addr);
+    SlSockAddr_t addr;
+    SlSocklen_t addr_len = sizeof(addr);
     mp_int_t ret = sl_RecvFrom(s->sock_base.sd, buf, MIN(len, WLAN_MAX_RX_SIZE), 0, &addr, &addr_len);
     if (ret < 0) {
         *_errno = ret;
@@ -1454,14 +1454,14 @@ int wlan_socket_settimeout(mod_network_socket_obj_t *s, mp_uint_t timeout_s, int
             // set blocking mode
             option.NonblockingEnabled = 0;
         }
-        ret = sl_SetSockOpt(s->sock_base.sd, SOL_SOCKET, SO_NONBLOCKING, &option, sizeof(option));
+        ret = sl_SetSockOpt(s->sock_base.sd, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &option, sizeof(option));
         has_timeout = false;
     } else {
         // set timeout
         struct SlTimeval_t timeVal;
         timeVal.tv_sec = timeout_s;       // seconds
         timeVal.tv_usec = 0;              // microseconds. 10000 microseconds resolution
-        ret = sl_SetSockOpt(s->sock_base.sd, SOL_SOCKET, SO_RCVTIMEO, &timeVal, sizeof(timeVal));
+        ret = sl_SetSockOpt(s->sock_base.sd, SL_SOL_SOCKET, SL_SO_RCVTIMEO, &timeVal, sizeof(timeVal));
         has_timeout = true;
     }
 
@@ -1482,20 +1482,20 @@ int wlan_socket_ioctl (mod_network_socket_obj_t *s, mp_uint_t request, mp_uint_t
         int32_t sd = s->sock_base.sd;
 
         // init fds
-        fd_set rfds, wfds, xfds;
-        FD_ZERO(&rfds);
-        FD_ZERO(&wfds);
-        FD_ZERO(&xfds);
+        SlFdSet_t rfds, wfds, xfds;
+        SL_FD_ZERO(&rfds);
+        SL_FD_ZERO(&wfds);
+        SL_FD_ZERO(&xfds);
 
         // set fds if needed
         if (flags & MP_STREAM_POLL_RD) {
-            FD_SET(sd, &rfds);
+            SL_FD_SET(sd, &rfds);
         }
         if (flags & MP_STREAM_POLL_WR) {
-            FD_SET(sd, &wfds);
+            SL_FD_SET(sd, &wfds);
         }
         if (flags & MP_STREAM_POLL_HUP) {
-            FD_SET(sd, &xfds);
+            SL_FD_SET(sd, &xfds);
         }
 
         // call simplelink's select with minimum timeout
@@ -1511,13 +1511,13 @@ int wlan_socket_ioctl (mod_network_socket_obj_t *s, mp_uint_t request, mp_uint_t
         }
 
         // check return of select
-        if (FD_ISSET(sd, &rfds)) {
+        if (SL_FD_ISSET(sd, &rfds)) {
             ret |= MP_STREAM_POLL_RD;
         }
-        if (FD_ISSET(sd, &wfds)) {
+        if (SL_FD_ISSET(sd, &wfds)) {
             ret |= MP_STREAM_POLL_WR;
         }
-        if (FD_ISSET(sd, &xfds)) {
+        if (SL_FD_ISSET(sd, &xfds)) {
             ret |= MP_STREAM_POLL_HUP;
         }
     } else {
diff --git a/cc3200/simplelink/user.h b/cc3200/simplelink/user.h
index af3f14e340d2b3c5cc2e5310896e0b744f86a4bd..d3f6d4adfb6fdadc7502bd3d29efedfea8f2a1f5 100644
--- a/cc3200/simplelink/user.h
+++ b/cc3200/simplelink/user.h
@@ -163,7 +163,7 @@ extern "C" {
 
     \warning
 */
-#define SL_INC_STD_BSD_API_NAMING
+/* #define SL_INC_STD_BSD_API_NAMING */
 
 
 /*!
diff --git a/cc3200/telnet/telnet.c b/cc3200/telnet/telnet.c
index e90bf928f770abff2f6e27a558adb90e1a423f22..26e45a75f15881a62d1e35836971713f72388e02 100644
--- a/cc3200/telnet/telnet.c
+++ b/cc3200/telnet/telnet.c
@@ -296,23 +296,23 @@ static void telnet_wait_for_enabled (void) {
 
 static bool telnet_create_socket (void) {
     SlSockNonblocking_t nonBlockingOption;
-    sockaddr_in         sServerAddress;
+    SlSockAddrIn_t sServerAddress;
     _i16 result;
 
     // Open a socket for telnet
-    ASSERT ((telnet_data.sd = sl_Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) > 0);
+    ASSERT ((telnet_data.sd = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_IPPROTO_TCP)) > 0);
     if (telnet_data.sd > 0) {
         // add the socket to the network administration
         modusocket_socket_add(telnet_data.sd, false);
 
         // Enable non-blocking mode
         nonBlockingOption.NonblockingEnabled = 1;
-        ASSERT ((result = sl_SetSockOpt(telnet_data.sd, SOL_SOCKET, SL_SO_NONBLOCKING, &nonBlockingOption, sizeof(nonBlockingOption))) == SL_SOC_OK);
+        ASSERT ((result = sl_SetSockOpt(telnet_data.sd, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &nonBlockingOption, sizeof(nonBlockingOption))) == SL_SOC_OK);
 
         // Bind the socket to a port number
-        sServerAddress.sin_family = AF_INET;
-        sServerAddress.sin_addr.s_addr = INADDR_ANY;
-        sServerAddress.sin_port = htons(TELNET_PORT);
+        sServerAddress.sin_family = SL_AF_INET;
+        sServerAddress.sin_addr.s_addr = SL_INADDR_ANY;
+        sServerAddress.sin_port = sl_Htons(TELNET_PORT);
 
         ASSERT ((result |= sl_Bind(telnet_data.sd, (const SlSockAddr_t *)&sServerAddress, sizeof(sServerAddress))) == SL_SOC_OK);
 
@@ -330,7 +330,7 @@ static bool telnet_create_socket (void) {
 
 static void telnet_wait_for_connection (void) {
     SlSocklen_t  in_addrSize;
-    sockaddr_in  sClientAddress;
+    SlSockAddrIn_t sClientAddress;
 
     // accepts a connection from a TCP client, if there is any, otherwise returns SL_EAGAIN
     telnet_data.n_sd = sl_Accept(telnet_data.sd, (SlSockAddr_t *)&sClientAddress, (SlSocklen_t *)&in_addrSize);