diff --git a/ChangeLog b/ChangeLog
index b79f715c0..5b0c9a104 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,23 @@
+2010-09-07  Robert Larice
+ * src/frontend/inpcom.c ,
+ * src/frontend/plotting/x11.c ,
+ * src/frontend/resource.c ,
+ * src/frontend/subckt.c ,
+ * src/include/hash.h ,
+ * src/main.c ,
+ * src/misc/util.c ,
+ * src/ngproc2mod.c ,
+ * src/spicelib/analysis/cktterr.c ,
+ * src/spicelib/analysis/dctran.c ,
+ * src/spicelib/devices/ltra/ltratemp.c ,
+ * src/spicelib/devices/ltra/ltratrun.c ,
+ * src/winmain.c ,
+ * src/xspice/evt/evtbackup.c ,
+ * src/xspice/ipc/ipcaegis.c ,
+ * src/xspice/mif/mifgetvalue.c ,
+ * src/xspice/mif/miftrunc.c :
+    use for(;;) instead of while(1) to muffle some visual-C warnings
+
 2010-09-07  Robert Larice
  * examples/tclspice/tcl-testbench2/example.cir ,
  * examples/xspice/xspice_c2.cir ,
diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 76b560611..df09679b1 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -1100,7 +1100,7 @@ inp_readall(FILE *fp, struct line **data, int call_depth, char *dir_name, bool c
 #ifdef XSPICE
 
    /* First read in all lines & put them in the struct cc */
-   while (1) {
+   for (;;) {
       /* If IPC is not enabled, do equivalent of what SPICE did before */
       if(! g_ipc.enabled) {
          if ( call_depth == 0 && line_count == 0 ) {
diff --git a/src/frontend/plotting/x11.c b/src/frontend/plotting/x11.c
index cb867f0a3..500c24ac4 100644
--- a/src/frontend/plotting/x11.c
+++ b/src/frontend/plotting/x11.c
@@ -955,7 +955,7 @@ X11_Input(REQUEST *request, RESPONSE *response)
 		    ConnectionNumber(display) :
 		    fileno(request->fp);
 
-		while (1) {
+		for (;;) {
 
 		      /* first read off the queue before doing the select */
 		      while (XtPending()) {
diff --git a/src/frontend/resource.c b/src/frontend/resource.c
index 34f899990..50ec85a21 100644
--- a/src/frontend/resource.c
+++ b/src/frontend/resource.c
@@ -639,7 +639,7 @@ baseaddr(void)
 
     orig_signal = signal(SIGSEGV, (SIGNAL_FUNCTION) fault);
 
-    do {
+    for (;;) {
 
 	at = (char *) ((((long)low >> LOG2_PAGESIZE)
 	    + ((long)high >> LOG2_PAGESIZE))
@@ -663,7 +663,7 @@ baseaddr(void)
 
 	high = at;
 
-    } while (1);
+    }
 
     (void) signal(SIGSEGV, (SIGNAL_FUNCTION) orig_signal);
     return (void *) high;
diff --git a/src/frontend/subckt.c b/src/frontend/subckt.c
index 1e5ef413f..0864e7292 100644
--- a/src/frontend/subckt.c
+++ b/src/frontend/subckt.c
@@ -797,7 +797,7 @@ bxx_printf(struct bxx_buffer *t, const char *fmt, ...)
 {
     va_list ap;
 
-    while(1) {
+    for (;;) {
         int ret;
         int size = t->limit - t->dst;
 		va_start(ap, fmt);
@@ -967,7 +967,7 @@ translate(struct line *deck, char *formal, char *actual, char *scname, char *sub
 
             next_name = MIFgettok(&s);
 
-            while(1) {
+            for (;;) {
 
                 /* rotate the tokens and get the the next one */
 
@@ -1779,7 +1779,7 @@ devmodtranslate(struct line *deck, char *subname)
             
             /* now do remainder of line. */
             next_name = gettok(&t);
-            while(1) {
+            for (;;) {
                    name = next_name;
                    next_name = gettok(&t);
             
@@ -2075,7 +2075,7 @@ devmodtranslate(struct line *deck, char *subname)
 
             /* now do remainder of line. */
             next_name = gettok(&t);
-            while(1) {
+            for (;;) {
                    name = next_name;
                    next_name = gettok(&t);
                    if((next_name == NULL) ||
diff --git a/src/include/hash.h b/src/include/hash.h
index 95dce559b..16f0d1e62 100644
--- a/src/include/hash.h
+++ b/src/include/hash.h
@@ -144,7 +144,7 @@ we want to intentionally assign it.  The compiler is warning unnecessarily.
 	char *string ; \
 	hsum = 0 ; \
 	string = (char *) str ; \
-	while(1) { \
+	for (;;) { \
 	  c = *string ; \
 	  string++ ; \
 	  if( c == 0) { \
diff --git a/src/main.c b/src/main.c
index b9c06f665..7794e0a8e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -552,7 +552,7 @@ app_rl_readlines(void)
 #endif
 
     /* note that we want some mechanism to detect ctrl-D and expand it to exit */
-    while (1) {
+    for (;;) {
        history_set_pos(history_length);
 
        SETJMP(jbuf, 1);    /* Set location to jump to after handling SIGINT (ctrl-C)  */
@@ -791,7 +791,7 @@ main(int argc, char **argv)
     TausSeed();
 
     /* --- Process command line options --- */
-    while (1) {
+    for(;;) {
         int option_index = 0;
         static struct option long_options[] = {
             {"help", 0, 0, 'h'},
diff --git a/src/misc/util.c b/src/misc/util.c
index 7a05243d8..0dbf59e95 100644
--- a/src/misc/util.c
+++ b/src/misc/util.c
@@ -37,7 +37,7 @@ canonicalize_pathname(char *path)
 
     /* Walk along RESULT looking for things to compact. */
     i = 0;
-    while (1) {
+    for (;;) {
        if (!result[i])
            break;
 
diff --git a/src/ngproc2mod.c b/src/ngproc2mod.c
index 4a7d1b727..76537a26e 100644
--- a/src/ngproc2mod.c
+++ b/src/ngproc2mod.c
@@ -95,7 +95,7 @@ main(void) {
         exit(1);
     }
     INPcaseFix(typeline);
-    while(1) {
+    for (;;) {
         while(*typeline == ' ' || *typeline == '\t' || *typeline == ',' ||
                 *typeline == '\n' ) {
             typeline ++;
diff --git a/src/spicelib/analysis/cktterr.c b/src/spicelib/analysis/cktterr.c
index 35d359948..33c43854b 100644
--- a/src/spicelib/analysis/cktterr.c
+++ b/src/spicelib/analysis/cktterr.c
@@ -48,7 +48,7 @@ CKTterr(int qcap, CKTcircuit *ckt, double *timeStep)
         deltmp[i] = ckt->CKTdeltaOld[i];
     }
     j = ckt->CKTorder;
-    while(1) {
+    for (;;) {
         for(i=0;i <= j;i++) {
             diff[i] = (diff[i] - diff[i+1])/deltmp[i];
         }
diff --git a/src/spicelib/analysis/dctran.c b/src/spicelib/analysis/dctran.c
index d883f2111..f86070056 100644
--- a/src/spicelib/analysis/dctran.c
+++ b/src/spicelib/analysis/dctran.c
@@ -598,7 +598,7 @@ resume:
 
 /* gtri - begin - wbk - Modify Breakpoint stuff */
     /* Throw out any permanent breakpoint times <= current time */
-    while(1) {
+    for (;;) {
 #ifdef STEPDEBUG
       printf("    brk_pt: %g    ckt_time: %g    ckt_min_break: %g\n",*(ckt->CKTbreaks), ckt->CKTtime, ckt->CKTminBreak);
 #endif
@@ -702,7 +702,7 @@ resume:
     ckt->CKTstates[0] = temp;
 
 /* 600 */
-    while (1) {
+    for (;;) {
 #ifdef CLUSTER
       redostep = 1;
 #endif
diff --git a/src/spicelib/devices/ltra/ltratemp.c b/src/spicelib/devices/ltra/ltratemp.c
index 21a2f275b..650a1ce69 100644
--- a/src/spicelib/devices/ltra/ltratemp.c
+++ b/src/spicelib/devices/ltra/ltratemp.c
@@ -100,7 +100,7 @@ LTRAtemp(GENmodel *inModel, CKTcircuit *ckt)
 	y1small = LTRArlcH2Func(xsmall, model->LTRAtd, model->LTRAalpha, model->LTRAbeta);
 	y2small = LTRArlcH3dashFunc(xsmall, model->LTRAtd, model->LTRAbeta, model->LTRAbeta);
 	iters = 0;
-	while (1) {
+	for (;;) {
 
 	  iters++;
 	  y1big = LTRArlcH2Func(xbig, model->LTRAtd, model->LTRAalpha, model->LTRAbeta);
diff --git a/src/spicelib/devices/ltra/ltratrun.c b/src/spicelib/devices/ltra/ltratrun.c
index dc455a04d..12e6464e1 100644
--- a/src/spicelib/devices/ltra/ltratrun.c
+++ b/src/spicelib/devices/ltra/ltratrun.c
@@ -144,7 +144,7 @@ LTRAtrunc(GENmodel *inModel, CKTcircuit *ckt, double *timeStep)
 
 	      x = ckt->CKTtime;
 	      y = current_lte;
-	      while (1) {
+	      for (;;) {
 		deriv_delta = 0.01 * (x - *(ckt->CKTtimePoints +
 			ckt->CKTtimeIndex));
 
diff --git a/src/winmain.c b/src/winmain.c
index bab9ddc75..1745ab732 100644
--- a/src/winmain.c
+++ b/src/winmain.c
@@ -1023,13 +1023,13 @@ int fp_u_t_s(const char * __s, FILE * __stream)
 
         int c = SE;
         if (!__s) return EOF;
-        do {
+        for (;;) {
             if (*__s) {
                 c = *__s++;
                 fp_u_t_c(c, __stream);
             } else
                 return c;
-        } while (TRUE);
+        }
     } else
         return fputs( __s, __stream);
 }
diff --git a/src/xspice/evt/evtbackup.c b/src/xspice/evt/evtbackup.c
index 6ddc24cc6..c32c7d8c5 100755
--- a/src/xspice/evt/evtbackup.c
+++ b/src/xspice/evt/evtbackup.c
@@ -163,7 +163,7 @@ static void EVTbackup_node_data(
         /* for tail, and splice later data into the free list */
         node_ptr = node_data->last_step[node_index];
         node = *node_ptr;
-        while(1) {
+        for (;;) {
             if((node->next == NULL) || (node->next->step > new_time)) {
 
                 /* Splice rest of list, if any, into free list */
@@ -252,7 +252,7 @@ static void EVTbackup_state_data(
         /* for tail, and splice later data into the free list */
         state_ptr = state_data->last_step[inst_index];
         state = *state_ptr;
-        while(1) {
+        for (;;) {
             if((state->next == NULL) || (state->next->step > new_time)) {
 
                 /* Splice rest of list, if any, into free list */
@@ -333,7 +333,7 @@ static void EVTbackup_msg_data(
         /* for tail, and splice later data into the free list */
         msg_ptr = msg_data->last_step[port_index];
         msg = *msg_ptr;
-        while(1) {
+        for (;;) {
             if((msg->next == NULL) || (msg->next->step > new_time)) {
 
                 /* Splice rest of list, if any, into free list */
diff --git a/src/xspice/ipc/ipcaegis.c b/src/xspice/ipc/ipcaegis.c
index da29d4bb3..607530cc5 100755
--- a/src/xspice/ipc/ipcaegis.c
+++ b/src/xspice/ipc/ipcaegis.c
@@ -157,7 +157,7 @@ Ipc_Status_t ipc_transport_get_line (str, len, wait)
    assert ((mbx_state == IPC_MBX_CONNECTED_TO_CLIENT) ||
            (mbx_state == IPC_MBX_INITIALIZED));
    
-   do {
+   for (;;) {
       if (wait == IPC_WAIT) {
          mbx_$get_rec (mbx_handle, &mbx_recieve_msg_buf, mbx_$serv_msg_max,
                        &mbx_ret_ptr, &mbx_ret_len, &status);
@@ -231,7 +231,7 @@ Ipc_Status_t ipc_transport_get_line (str, len, wait)
          fprintf (stderr, "ERROR: IPC: Bad message type (0x%x) recieved\n",
                   mbx_ret_ptr->mt);
       }
-   } while (1); 
+   }
    return IPC_STATUS_ERROR;
 }
  
diff --git a/src/xspice/mif/mifgetvalue.c b/src/xspice/mif/mifgetvalue.c
index 95480921a..e665d292e 100755
--- a/src/xspice/mif/mifgetvalue.c
+++ b/src/xspice/mif/mifgetvalue.c
@@ -126,7 +126,7 @@ MIFgetValue (
 
     /* now get the values into val */
 
-    while(1) {
+    for (;;) {
 
         token = MIFget_token(line, &token_type);
 
diff --git a/src/xspice/mif/miftrunc.c b/src/xspice/mif/miftrunc.c
index 0b03fcaf6..be9d212f8 100755
--- a/src/xspice/mif/miftrunc.c
+++ b/src/xspice/mif/miftrunc.c
@@ -193,7 +193,7 @@ static void MIFterr(
         deltmp[i] = ckt->CKTdeltaOld[i];
     }
     j = ckt->CKTorder;
-    while(1) {
+    for (;;) {
         for(i=0;i <= j;i++) {
             diff[i] = (diff[i] - diff[i+1])/deltmp[i];
         }