--- src/misc.c.orig	2001-10-11 23:02:46.000000000 +0900
+++ src/misc.c	2020-11-21 16:25:42.000000000 +0900
@@ -144,10 +144,10 @@
 
 
 
-/*** round ************************************************************
+/*** roundv5d ************************************************************
    Round off x to a 'nice' value.
 **********************************************************************/
-float round( float x )
+float roundv5d( float x )
 {
    float base, fudge;
    int temp;
@@ -273,7 +273,7 @@
       ctx->Variable[var]->HSliceRequest->Interval = 0.0;
    }
    else {
-      ctx->Variable[var]->HSliceRequest->Interval = round( (ctx->Variable[var]->MaxVal - ctx->Variable[var]->MinVal)
+      ctx->Variable[var]->HSliceRequest->Interval = roundv5d( (ctx->Variable[var]->MaxVal - ctx->Variable[var]->MinVal)
                                         / 10.0 );
    }
 
@@ -309,7 +309,7 @@
       ctx->Variable[var]->VSliceRequest->Interval = 0.0;
    }
    else {
-      ctx->Variable[var]->VSliceRequest->Interval = round( (ctx->Variable[var]->MaxVal - ctx->Variable[var]->MinVal)
+      ctx->Variable[var]->VSliceRequest->Interval = roundv5d( (ctx->Variable[var]->MaxVal - ctx->Variable[var]->MinVal)
                                         / 10.0 );
    }