Index: trunk/doc/developer/renames
===================================================================
--- trunk/doc/developer/renames	(revision 9322)
+++ trunk/doc/developer/renames	(revision 9323)
@@ -1514,3 +1514,21 @@
 ResetStackAndVisibility -> pcb_layervis_reset_stack
 SaveStackAndVisibility -> pcb_layervis_save_stack
 RestoreStackAndVisibility -> pcb_layervis_restore_stack
+AddArcToBuffer -> pcb_arcop_add_to_buffer
+MoveArcToBuffer -> pcb_arcop_move_to_buffer
+ChangeArcSize -> pcb_arcop_change_size
+ChangeArcClearSize -> pcb_arcop_change_clear_size
+ChangeArcRadius -> pcb_arcop_change_radius
+ChangeArcAngle -> pcb_arcop_change_angle
+ChangeArcJoin -> pcb_arcop_change_join
+SetArcJoin -> pcb_arcop_set_join
+ClrArcJoin -> pcb_arcop_clear_join
+CopyArc -> pcb_arcop_copy
+MoveArc -> pcb_arcop_move
+MoveArcToLayerLowLevel -> pcb_arcop_move_to_layer_low
+MoveArcToLayer -> pcb_arcop_move_to_layer
+DestroyArc -> pcb_arcop_destroy
+RemoveArc_op -> pcb_arcop_remve
+RemoveArcPoint_op -> pcb_arcop_remove_point
+Rotate90Arc -> pcb_arcop_rotate90
+ChgFlagArc -> pcb_arcop_change_flag
Index: trunk/src/buffer.c
===================================================================
--- trunk/src/buffer.c	(revision 9322)
+++ trunk/src/buffer.c	(revision 9323)
@@ -63,7 +63,7 @@
 	NULL,
 	NULL,
 	NULL,
-	AddArcToBuffer,
+	pcb_arcop_add_to_buffer,
 	AddRatToBuffer,
 	NULL,
 	AddSubcToBuffer
@@ -80,7 +80,7 @@
 	NULL,
 	NULL,
 	NULL,
-	MoveArcToBuffer,
+	pcb_arcop_move_to_buffer,
 	MoveRatToBuffer,
 	NULL,
 	MoveSubcToBuffer
@@ -627,7 +627,7 @@
 			PCB_END_LOOP;
 			PCB_ARC_LOOP(sourcelayer);
 			{
-				if (CopyArc(&ctx, destlayer, arc))
+				if (pcb_arcop_copy(&ctx, destlayer, arc))
 					changed = 1;
 			}
 			PCB_END_LOOP;
Index: trunk/src/change.c
===================================================================
--- trunk/src/change.c	(revision 9322)
+++ trunk/src/change.c	(revision 9323)
@@ -55,7 +55,7 @@
 	ChangePadSize,
 	NULL,
 	NULL,
-	ChangeArcSize,
+	pcb_arcop_change_size,
 	NULL,
 	NULL,
 	ChangeSubcSize
@@ -72,7 +72,7 @@
 	ChangePadSize,
 	NULL,
 	NULL,
-	ChangeArcSize,
+	pcb_arcop_change_size,
 	NULL,
 	NULL,
 	ChangeSubc1stSize
@@ -123,7 +123,7 @@
 	ChangePadClearSize,
 	NULL,
 	NULL,
-	ChangeArcClearSize,
+	pcb_arcop_change_clear_size,
 	NULL,
 	NULL,
 	ChangeSubcClearSize
@@ -208,7 +208,7 @@
 	NULL,
 	NULL,
 	NULL,
-	ChangeArcJoin,
+	pcb_arcop_change_join,
 	NULL,
 	NULL,
 	NULL
@@ -280,7 +280,7 @@
 	NULL,
 	NULL,
 	NULL,
-	SetArcJoin,
+	pcb_arcop_set_join,
 	NULL,
 	NULL,
 	NULL
@@ -331,7 +331,7 @@
 	NULL,
 	NULL,
 	NULL,
-	ClrArcJoin,
+	pcb_arcop_clear_join,
 	NULL,
 	NULL,
 	NULL
@@ -365,7 +365,7 @@
 	NULL,
 	NULL,
 	NULL,
-	ChangeArcRadius,
+	pcb_arcop_change_radius,
 	NULL,
 	NULL,
 	NULL
@@ -382,7 +382,7 @@
 	NULL,
 	NULL,
 	NULL,
-	ChangeArcAngle,
+	pcb_arcop_change_angle,
 	NULL,
 	NULL,
 	NULL
Index: trunk/src/copy.c
===================================================================
--- trunk/src/copy.c	(revision 9322)
+++ trunk/src/copy.c	(revision 9323)
@@ -53,7 +53,7 @@
 	NULL,
 	NULL,
 	NULL,
-	CopyArc,
+	pcb_arcop_copy,
 	NULL,
 	NULL,
 	CopySubc
Index: trunk/src/flag.c
===================================================================
--- trunk/src/flag.c	(revision 9322)
+++ trunk/src/flag.c	(revision 9323)
@@ -42,7 +42,7 @@
 	NULL,
 	NULL,
 	NULL,
-	ChgFlagArc,
+	pcb_arcop_change_flag,
 	NULL,
 	NULL,
 	ChgFlagSubc
Index: trunk/src/move.c
===================================================================
--- trunk/src/move.c	(revision 9322)
+++ trunk/src/move.c	(revision 9323)
@@ -59,7 +59,7 @@
 	NULL,
 	MoveLinePoint,
 	MovePolygonPoint,
-	MoveArc,
+	pcb_arcop_move,
 	NULL,
 	NULL,
 	MoveSubc
@@ -76,7 +76,7 @@
 	NULL,
 	NULL,
 	NULL,
-	MoveArcToLayer,
+	pcb_arcop_move_to_layer,
 	MoveRatToLayer,
 	NULL,
 	NULL
Index: trunk/src/obj_arc.c
===================================================================
--- trunk/src/obj_arc.c	(revision 9322)
+++ trunk/src/obj_arc.c	(revision 9323)
@@ -298,7 +298,7 @@
 /***** operations *****/
 
 /* copies an arc to buffer */
-void *AddArcToBuffer(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_add_to_buffer(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_layer_t *layer = &ctx->buffer.dst->Layer[pcb_layer_id(ctx->buffer.src, Layer)];
 
@@ -308,7 +308,7 @@
 }
 
 /* moves an arc to buffer */
-void *MoveArcToBuffer(pcb_opctx_t *ctx, pcb_layer_t * layer, pcb_arc_t * arc)
+void *pcb_arcop_move_to_buffer(pcb_opctx_t *ctx, pcb_layer_t * layer, pcb_arc_t * arc)
 {
 	pcb_layer_t *lay = &ctx->buffer.dst->Layer[pcb_layer_id(ctx->buffer.src, layer)];
 
@@ -331,7 +331,7 @@
 }
 
 /* changes the size of an arc */
-void *ChangeArcSize(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_change_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Arc->Thickness + ctx->chgsize.delta;
 
@@ -353,7 +353,7 @@
 }
 
 /* changes the clearance size of an arc */
-void *ChangeArcClearSize(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_change_clear_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Arc->Clearance + ctx->chgsize.delta;
 
@@ -382,7 +382,7 @@
 }
 
 /* changes the radius of an arc (is_primary 0=width or 1=height or 2=both) */
-void *ChangeArcRadius(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_change_radius(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_coord_t value, *dst;
 	void *a0, *a1;
@@ -394,8 +394,8 @@
 		case 0: dst = &Arc->Width; break;
 		case 1: dst = &Arc->Height; break;
 		case 2:
-			ctx->chgsize.is_primary = 0; a0 = ChangeArcRadius(ctx, Layer, Arc);
-			ctx->chgsize.is_primary = 1; a1 = ChangeArcRadius(ctx, Layer, Arc);
+			ctx->chgsize.is_primary = 0; a0 = pcb_arcop_change_radius(ctx, Layer, Arc);
+			ctx->chgsize.is_primary = 1; a1 = pcb_arcop_change_radius(ctx, Layer, Arc);
 			if ((a0 != NULL) || (a1 != NULL))
 				return Arc;
 			return NULL;
@@ -419,7 +419,7 @@
 }
 
 /* changes the angle of an arc (is_primary 0=start or 1=end) */
-void *ChangeArcAngle(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_change_angle(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_angle_t value, *dst;
 	void *a0, *a1;
@@ -431,8 +431,8 @@
 		case 0: dst = &Arc->StartAngle; break;
 		case 1: dst = &Arc->Delta; break;
 		case 2:
-			ctx->chgangle.is_primary = 0; a0 = ChangeArcAngle(ctx, Layer, Arc);
-			ctx->chgangle.is_primary = 1; a1 = ChangeArcAngle(ctx, Layer, Arc);
+			ctx->chgangle.is_primary = 0; a0 = pcb_arcop_change_angle(ctx, Layer, Arc);
+			ctx->chgangle.is_primary = 1; a1 = pcb_arcop_change_angle(ctx, Layer, Arc);
 			if ((a0 != NULL) || (a1 != NULL))
 				return Arc;
 			return NULL;
@@ -459,7 +459,7 @@
 }
 
 /* changes the clearance flag of an arc */
-void *ChangeArcJoin(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_change_join(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Arc))
 		return (NULL);
@@ -479,23 +479,23 @@
 }
 
 /* sets the clearance flag of an arc */
-void *SetArcJoin(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_set_join(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Arc) || PCB_FLAG_TEST(PCB_FLAG_CLEARLINE, Arc))
 		return (NULL);
-	return ChangeArcJoin(ctx, Layer, Arc);
+	return pcb_arcop_change_join(ctx, Layer, Arc);
 }
 
 /* clears the clearance flag of an arc */
-void *ClrArcJoin(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_clear_join(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Arc) || !PCB_FLAG_TEST(PCB_FLAG_CLEARLINE, Arc))
 		return (NULL);
-	return ChangeArcJoin(ctx, Layer, Arc);
+	return pcb_arcop_change_join(ctx, Layer, Arc);
 }
 
 /* copies an arc */
-void *CopyArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_copy(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_arc_t *arc;
 
@@ -510,7 +510,7 @@
 }
 
 /* moves an arc */
-void *MoveArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_move(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_poly_restore_to_poly(PCB->Data, PCB_TYPE_ARC, Layer, Arc);
 	pcb_r_delete_entry(Layer->arc_tree, (pcb_box_t *) Arc);
@@ -529,7 +529,7 @@
 }
 
 /* moves an arc between layers; lowlevel routines */
-void *MoveArcToLayerLowLevel(pcb_opctx_t *ctx, pcb_layer_t * Source, pcb_arc_t * arc, pcb_layer_t * Destination)
+void *pcb_arcop_move_to_layer_low(pcb_opctx_t *ctx, pcb_layer_t * Source, pcb_arc_t * arc, pcb_layer_t * Destination)
 {
 	pcb_r_delete_entry(Source->arc_tree, (pcb_box_t *) arc);
 
@@ -547,7 +547,7 @@
 
 
 /* moves an arc between layers */
-void *MoveArcToLayer(pcb_opctx_t *ctx, pcb_layer_t * Layer, pcb_arc_t * Arc)
+void *pcb_arcop_move_to_layer(pcb_opctx_t *ctx, pcb_layer_t * Layer, pcb_arc_t * Arc)
 {
 	pcb_arc_t *newone;
 
@@ -565,7 +565,7 @@
 	pcb_poly_restore_to_poly(PCB->Data, PCB_TYPE_ARC, Layer, Arc);
 	if (Layer->meta.real.vis)
 		EraseArc(Arc);
-	newone = (pcb_arc_t *) MoveArcToLayerLowLevel(ctx, Layer, Arc, ctx->move.dst_layer);
+	newone = (pcb_arc_t *) pcb_arcop_move_to_layer_low(ctx, Layer, Arc, ctx->move.dst_layer);
 	pcb_poly_clear_from_poly(PCB->Data, PCB_TYPE_ARC, ctx->move.dst_layer, Arc);
 	if (ctx->move.dst_layer->meta.real.vis)
 		DrawArc(ctx->move.dst_layer, newone);
@@ -574,7 +574,7 @@
 }
 
 /* destroys an arc from a layer */
-void *DestroyArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_destroy(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	pcb_r_delete_entry(Layer->arc_tree, (pcb_box_t *) Arc);
 
@@ -585,7 +585,7 @@
 }
 
 /* removes an arc from a layer */
-void *RemoveArc_op(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_remve(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	/* erase from screen */
 	if (Layer->meta.real.vis) {
@@ -598,9 +598,9 @@
 	return NULL;
 }
 
-void *RemoveArcPoint_op(pcb_opctx_t *ctx, pcb_layer_t *l, pcb_arc_t *a, int *end_id)
+void *pcb_arcop_remove_point(pcb_opctx_t *ctx, pcb_layer_t *l, pcb_arc_t *a, int *end_id)
 {
-	return RemoveArc_op(ctx, l, a);
+	return pcb_arcop_remve(ctx, l, a);
 }
 
 void *pcb_arc_destroy(pcb_layer_t *Layer, pcb_arc_t *Arc)
@@ -611,7 +611,7 @@
 	ctx.remove.bulk = pcb_false;
 	ctx.remove.destroy_target = NULL;
 
-	return RemoveArc_op(&ctx, Layer, Arc);
+	return pcb_arcop_remve(&ctx, Layer, Arc);
 }
 
 /* rotates an arc */
@@ -663,7 +663,7 @@
 }
 
 /* rotates an arc */
-void *Rotate90Arc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_rotate90(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	EraseArc(Arc);
 	pcb_poly_restore_to_poly(PCB->Data, PCB_TYPE_ARC, Layer, Arc);
@@ -704,7 +704,7 @@
 }
 
 #define PCB_ARC_FLAGS (PCB_FLAG_FOUND | PCB_FLAG_CLEARLINE | PCB_FLAG_SELECTED | PCB_FLAG_AUTO | PCB_FLAG_RUBBEREND | PCB_FLAG_LOCK | PCB_FLAG_VISIT)
-void *ChgFlagArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
+void *pcb_arcop_change_flag(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
 	if ((ctx->chgflag.flag & PCB_ARC_FLAGS) != ctx->chgflag.flag)
 		return NULL;
Index: trunk/src/obj_arc_op.h
===================================================================
--- trunk/src/obj_arc_op.h	(revision 9322)
+++ trunk/src/obj_arc_op.h	(revision 9323)
@@ -28,24 +28,24 @@
 
 #include "operation.h"
 
-void *AddArcToBuffer(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *MoveArcToBuffer(pcb_opctx_t *ctx, pcb_layer_t *layer, pcb_arc_t *arc);
-void *ChangeArcSize(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *ChangeArcClearSize(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *ChangeArcRadius(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *ChangeArcAngle(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *ChangeArcJoin(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *SetArcJoin(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *ClrArcJoin(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *CopyArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *MoveArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *MoveArcToLayerLowLevel(pcb_opctx_t *ctx, pcb_layer_t * Source, pcb_arc_t * arc, pcb_layer_t * Destination);
-void *MoveArcToLayer(pcb_opctx_t *ctx, pcb_layer_t * Layer, pcb_arc_t * Arc);
-void *DestroyArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *RemoveArc_op(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *RemoveArcPoint_op(pcb_opctx_t *ctx, pcb_layer_t *l, pcb_arc_t *a, int *end_id);
-void *Rotate90Arc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
-void *ChgFlagArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_add_to_buffer(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_move_to_buffer(pcb_opctx_t *ctx, pcb_layer_t *layer, pcb_arc_t *arc);
+void *pcb_arcop_change_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_change_clear_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_change_radius(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_change_angle(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_change_join(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_set_join(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_clear_join(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_copy(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_move(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_move_to_layer_low(pcb_opctx_t *ctx, pcb_layer_t * Source, pcb_arc_t * arc, pcb_layer_t * Destination);
+void *pcb_arcop_move_to_layer(pcb_opctx_t *ctx, pcb_layer_t * Layer, pcb_arc_t * Arc);
+void *pcb_arcop_destroy(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_remve(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_remove_point(pcb_opctx_t *ctx, pcb_layer_t *l, pcb_arc_t *a, int *end_id);
+void *pcb_arcop_rotate90(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+void *pcb_arcop_change_flag(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
 
 
 void *pcb_arc_insert_point(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *arc);
Index: trunk/src/remove.c
===================================================================
--- trunk/src/remove.c	(revision 9322)
+++ trunk/src/remove.c	(revision 9323)
@@ -50,9 +50,9 @@
 	NULL,
 	RemoveLinePoint,
 	RemovePolygonPoint,
-	RemoveArc_op,
+	pcb_arcop_remve,
 	RemoveRat,
-	RemoveArcPoint_op,
+	pcb_arcop_remove_point,
 	RemoveSubc_op
 };
 
@@ -67,7 +67,7 @@
 	NULL,
 	NULL,
 	DestroyPolygonPoint,
-	DestroyArc,
+	pcb_arcop_destroy,
 	DestroyRat,
 	NULL,
 	DestroySubc
Index: trunk/src/rotate.c
===================================================================
--- trunk/src/rotate.c	(revision 9322)
+++ trunk/src/rotate.c	(revision 9323)
@@ -63,7 +63,7 @@
 	NULL,
 	Rotate90LinePoint,
 	NULL,
-	Rotate90Arc,
+	pcb_arcop_rotate90,
 	NULL,
 	NULL,
 	Rotate90Subc