diff --git a/platform_library.c b/platform_library.c
index abdbce9..df1f4f3 100644
--- a/platform_library.c
+++ b/platform_library.c
@@ -13,7 +13,7 @@ void PrintInteger(struct ParseState *Parser, struct Value *ReturnValue, struct V
 #ifdef UNIX_HOST
 void Random(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)
 {
-    ReturnValue->Val->Integer = random();
+    ReturnValue->Val->Integer = rand();
 }
 #endif
 
@@ -44,10 +44,14 @@ void PlatformLibraryInit()
 extern unsigned int vblob(unsigned char *, unsigned char *, unsigned int);
 extern unsigned int vpix(unsigned char *, unsigned int, unsigned int);
 extern void init_colors();
-extern void vhist(unsigned char *);
-extern void vmean(unsigned char *);
-extern void color_segment(unsigned char *);
-extern void edge_detect(unsigned char *, unsigned char *, int);
+extern void vhist(unsigned char *);
+
+extern void vmean(unsigned char *);
+
+extern void color_segment(unsigned char *);
+
+extern void edge_detect(unsigned char *, unsigned char *, int);
+
 extern void i2cwrite(unsigned char, unsigned char *, unsigned int, int);
 extern void i2cread(unsigned char, unsigned char *, unsigned int, int);
 
@@ -56,9 +60,12 @@ extern int lspeed, rspeed, lspeed2, rspeed2, base_speed;
 extern int sonar_data[];
 extern int imgWidth, imgHeight, frame_diff_flag;
 
-extern unsigned int ymax[], ymin[], umax[], umin[], vmax[], vmin[];
-extern unsigned int blobx1[], blobx2[], bloby1[], bloby2[], blobcnt[], blobix[];
-extern unsigned int hist0[], hist1[], hist2[], mean[];
+extern unsigned int ymax[], ymin[], umax[], umin[], vmax[], vmin[];
+
+extern unsigned int blobx1[], blobx2[], bloby1[], bloby2[], blobcnt[], blobix[];
+
+extern unsigned int hist0[], hist1[], hist2[], mean[];
+
 
 void Csignal(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)  // check for kbhit, return t or nil
 {