diff --git a/kermit/k95/ckuus3.c b/kermit/k95/ckuus3.c
index c4c6308f..5ecce467 100644
--- a/kermit/k95/ckuus3.c
+++ b/kermit/k95/ckuus3.c
@@ -4140,7 +4140,7 @@ dosexp(s) char *s;
             }
             goto xdosexp;
         } else if (x == SX_IFC) {               /* Conditional expression */
-            int true = 0;
+            int bool_result = 0;
             if (n > 4) {
                 printf("?Too many operands: IF - \"%s\"\n",s);
                 sexprc++;
@@ -4157,12 +4157,12 @@ dosexp(s) char *s;
                 } else {
                     fpj = atof(s2);
                 }
-                true = ((fpj != 0.0) ? 1 : 0);
+                bool_result = ((fpj != 0.0) ? 1 : 0);
             }
-            if (!true && n < 4) {
+            if (!bool_result && n < 4) {
                 s2 = NULL;
             } else {
-                s2 = dosexp(true ? p[3] : p[4]);
+                s2 = dosexp(bool_result ? p[3] : p[4]);
                 if (sexprc) goto xdosexp;
                 j = s2 ? ckatofs(s2) : 0;
                 if (xxfloat(s2,0) == 2) {
diff --git a/kermit/p95/pdll_socket.h b/kermit/p95/pdll_socket.h
index caf86fda..9e728e4a 100644
--- a/kermit/p95/pdll_socket.h
+++ b/kermit/p95/pdll_socket.h
@@ -45,7 +45,7 @@
 
 _Inline void tcp_open(void) {
 
-  U32 true = 1;
+  U32 true_u32 = 1;
   struct hostent *hostnm;    /* server host name information */
   struct sockaddr_in server; /* server address information */
 #ifdef NT
@@ -68,7 +68,7 @@ _Inline void tcp_open(void) {
 		MODULE_SOCKET, __LINE__, 0);
 
       if (setsockopt(passive_socket, SOL_SOCKET, SO_REUSEADDR,
-		     (char *)&true, sizeof(true)))
+		     (char *)&true_u32, sizeof(true_u32)))
 	p_error(P_ERROR_SETSOCKOPT, sock_errno(),
 		MODULE_SOCKET, __LINE__, passive_socket);
 
@@ -87,9 +87,9 @@ _Inline void tcp_open(void) {
       /***********************************************/
       if (
 #ifdef NT
-ioctlsocket( passive_socket, FIONBIO, &true )
+ioctlsocket( passive_socket, FIONBIO, &true_u32 )
 #else
-ioctl(passive_socket, FIONBIO, (char *)&true, sizeof(U32))
+ioctl(passive_socket, FIONBIO, (char *)&true_u32, sizeof(true_u32))
 #endif
    )
 	p_error(P_ERROR_IOCTL, sock_errno(),
@@ -119,9 +119,9 @@ ioctl(passive_socket, FIONBIO, (char *)&true, sizeof(U32))
 		MODULE_SOCKET, __LINE__, socket_handle);
       if (
 #ifdef NT
-ioctlsocket( socket_handle, FIONBIO, &true )
+ioctlsocket( socket_handle, FIONBIO, &true_u32 )
 #else
-ioctl(socket_handle, FIONBIO, (char *)&true, sizeof(U32))
+ioctl(socket_handle, FIONBIO, (char *)&true_u32, sizeof(true_u32))
 #endif
    )
 	p_error(P_ERROR_IOCTL, sock_errno(),
@@ -134,7 +134,7 @@ ioctl(socket_handle, FIONBIO, (char *)&true, sizeof(U32))
 _Inline U32 tcp_connect(void) {
 
   U32 namelen;
-  U32 true = 1;
+  U32 true_u32 = 1;
   struct hostent *hostnm;    /* client host name information */
   struct sockaddr_in client; /* client address information */
 
@@ -169,9 +169,9 @@ _Inline U32 tcp_connect(void) {
 
       if (
 #ifdef NT
-ioctlsocket( socket_handle, FIONBIO, &true )
+ioctlsocket( socket_handle, FIONBIO, &true_u32 )
 #else
-ioctl(socket_handle, FIONBIO, (char *)&true, sizeof(U32))
+ioctl(socket_handle, FIONBIO, (char *)&true_u32, sizeof(true_u32))
 #endif
    )
     p_error(P_ERROR_IOCTL, sock_errno(),