From 37239efadb7a29d959fbbb48366ff9186319ac11 Mon Sep 17 00:00:00 2001
From: Sam V <sam.vanheer@outlook.com>
Date: Tue, 15 Mar 2022 21:20:30 +0100
Subject: [PATCH] Fix "C4013: 'function' undefined; assuming extern returning
 int" warnings #138

---
 utils/qbsp2/bsp5.h |  4 ++++
 utils/qcsg/csg.h   | 16 +++++++++++++++-
 utils/visx2/flow.c |  1 +
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/utils/qbsp2/bsp5.h b/utils/qbsp2/bsp5.h
index 427966e31..37b96980f 100644
--- a/utils/qbsp2/bsp5.h
+++ b/utils/qbsp2/bsp5.h
@@ -108,6 +108,7 @@ typedef struct node_s
 
 face_t *NewFaceFromFace (face_t *in);
 void SplitFace (face_t *in, dplane_t *split, face_t **front, face_t **back);
+void SplitFaceTmp(face_t* in, dplane_t* split, face_t** front, face_t** back);
 
 //=============================================================================
 
@@ -117,6 +118,7 @@ void DivideFacet (face_t *in, dplane_t *split, face_t **front, face_t **back);
 void CalcSurfaceInfo (surface_t *surf);
 void SubdivideFace (face_t *f, face_t **prevptr);
 node_t *SolidBSP (surfchain_t *surfhead);
+int FaceSide(face_t* in, dplane_t* split);
 
 //=============================================================================
 
@@ -143,6 +145,7 @@ void SubdivideFaces (surface_t *surfhead);
 surfchain_t *GatherNodeFaces (node_t *headnode);
 
 void MakeFaceEdges (node_t *headnode);
+int GetEdge(vec3_t p1, vec3_t p2, face_t* f);
 
 //=============================================================================
 
@@ -162,6 +165,7 @@ extern	node_t	outside_node;		// portals outside the world face this
 void AddPortalToNodes (portal_t *p, node_t *front, node_t *back);
 void RemovePortalFromNode (portal_t *portal, node_t *l);
 void MakeHeadnodePortals (node_t *node, vec3_t mins, vec3_t maxs);
+void FreePortals(node_t* node);
 
 void WritePortalfile (node_t *headnode);
 
diff --git a/utils/qcsg/csg.h b/utils/qcsg/csg.h
index feca3d7bb..8608f93b6 100644
--- a/utils/qcsg/csg.h
+++ b/utils/qcsg/csg.h
@@ -112,7 +112,8 @@ void 	LoadMapFile (char *filename);
 
 extern int nummiptex;
 void WriteMiptex (void);
-int TexinfoForBrushTexture (plane_t *plane, brush_texture_t *bt, vec3_t origin);
+int FindMiptex(char* name);
+int TexinfoForBrushTexture(plane_t* plane, brush_texture_t* bt, vec3_t origin);
 
 //=============================================================================
 
@@ -125,6 +126,8 @@ int	PlaneTypeForNormal (vec3_t normal);
 
 void CreateBrush (int brushnum);
 
+int BrushContents(brush_t* b);
+
 //=============================================================================
 
 // csg.c
@@ -142,3 +145,14 @@ extern	qboolean	drawflag;
 void Draw_ClearWindow (void);
 void DrawWinding (winding_t *w);
 
+//=============================================================================
+
+// map.c
+
+void TextureAxisFromPlane(plane_t* pln, vec3_t xv, vec3_t yv);
+
+//=============================================================================
+
+// hullfile.c
+
+void CheckHullFile(qboolean hullfile, char* filename);
diff --git a/utils/visx2/flow.c b/utils/visx2/flow.c
index a17899dde..e0cbe4c4c 100644
--- a/utils/visx2/flow.c
+++ b/utils/visx2/flow.c
@@ -9,6 +9,7 @@
 ****/
 
 #include "vis.h"
+#include "threads.h"
 
 int		c_fullskip;
 int		c_chains;