Fix some more -Wextra warnings.

src/frontend/inpcom.c

@@ -5251,12 +5251,11 @@ int get_number_terminals(char *c)
             break;
         }
         case 'p': /* Recognition of up to 100 cpl nodes */
-            for (i = j = 0; (i < 100) && (*c != '\0'); ++i) {
+            for (i = j = 0; (i < 100) && (*c != '\0'); i = i + 2) {
                 inst = gettok_instance(&c);
                 if (strchr(inst, '='))
                     j++;
                 tfree(inst);
-                i++;
             }
             if (i == 100)
                 return 0;

src/frontend/resource.c

@@ -550,6 +550,7 @@ static int get_sysmem(struct sys_mem *memall)
 #else
 
 
+#  ifdef notdef
 #include <signal.h>
 #include <setjmp.h>
 
@@ -625,6 +626,7 @@ baseaddr(void)
 
 #endif
 }
+#endif
 
 
 #endif

src/xspice/icm/digital/d_tristate/cfunc.mod

@@ -238,10 +238,12 @@ void cm_d_tristate(ARGS)
             if (idp[1].when <= TIME) {
                 if (str == out->strength) {
                     s_ctl = Idle;
-                    idp[1].prev = str;
+                    // quietly rude
+                    idp[1].prev = (Digital_State_t)str;
                 } else {
                     s_ctl = Normal;
-                    idp[1].prev = out->strength;
+                    // quietly rude
+                    idp[1].prev = (Digital_State_t)out->strength;
                     idp[1].when = TIME + OUTPUT_DELAY(out);
                 }
             } else {

src/xspice/mif/mifgetvalue.c

@@ -108,7 +108,7 @@ static char *get_string(char **s, int is_array, Mif_Token_Type_t *token_type)
         end = *s;
         ret_str = copy_substring(beg, end);
     }
-    *token_type = MIF_STRING;
+    *token_type = MIF_STRING_TOK;
     return ret_str;
 }