Assorted cleanups for mandlebrot demo

like rest of MPE, update to use ANSI, not K&R prototypes.  A few unused
variables and missing header files.

src/graphics/contrib/mandel/args.c

@@ -4,9 +4,7 @@
  */
 
 #include <stdio.h>
-#if HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
 #include "args.h"
 #include "lists.h"
 #include <string.h>
@@ -106,7 +104,7 @@ char **argv, *switchName, **val;
 
 
 
-IsArgPresent( argc, argv, switchName )
+int IsArgPresent( argc, argv, switchName )
 int *argc;
 char **argv, *switchName;
 {

src/graphics/contrib/mandel/args.h

@@ -30,5 +30,7 @@ int GetStringListArg( );
 #endif
 
 
+int IsArgPresent( int *argc, char **argv, char *switchName );
+
 #endif
 /* _ARGS_H_ */

src/graphics/contrib/mandel/fract_gen.c

@@ -5,9 +5,7 @@
 
 /* general routines for calculating fractals */
 #include <stdio.h>
-#if HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
 #include <math.h>
 #include "pmandel.h"
 #include "fract_gen.h"
@@ -332,7 +330,7 @@ int *mainArray, *subArray, mainWidth, mainHeight, subWidth, subHeight,
    If the copy goes outside the bounds of the mainArray, none of the copy is performed
 */
 {
-  int i, j, *ptr, *fromPtr, *toPtr;
+  int i, j, *fromPtr, *toPtr;
 
   if (mainWidth<subWidth+xpos || mainHeight<subHeight+ypos) {   /* make sure we don't overrun */
     return;

src/graphics/contrib/mandel/lists.c

@@ -4,9 +4,7 @@
  */
 
 #include <stdio.h>
-#if HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
 #include "lists.h"
 
 xpand_list_Strings *Strings_CreateList(initialLen)

src/graphics/contrib/mandel/pm_genproc.c

@@ -4,10 +4,10 @@
  */
 
 
-#if HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
 #include <stdio.h>
+#include <unistd.h>
+#include <string.h>
 #include "mpi.h"
 #include "mpe.h"
 #include "pmandel.h"
@@ -39,7 +39,6 @@ FreeMPITypes()
 void 
 DefineMPITypes()
 {
-  Winspecs winspecs;
   Flags flags;
   rect rectangle;
   MPI_Aint a, b;

src/graphics/contrib/mandel/pm_genproc.h

@@ -26,6 +26,8 @@ typedef int Fract_FN(NUM,NUM);
 typedef int Fract_FN();
 #endif
 
+void PrintHelp(char *progName);
+
 #endif
 
 /*  _PM_GENPROC_H_ */

src/graphics/contrib/mandel/pm_separate_rect.c

@@ -4,9 +4,8 @@
  */
 
 #include <stdio.h>
-#if HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
+#include <unistd.h>
 #include <sys/time.h>
 #include "pmandel.h"
 #include "pm_genproc.h"
@@ -350,7 +349,7 @@ Flags *flags;
   MPE_Point *pointData;
   int block_type;
 
-  rect r, rectBuf[2];
+  rect r;
   /* r - the rectangle being calculated */
 
   MPI_Status mesgStatus;

src/graphics/contrib/mandel/pmandel.c

@@ -9,6 +9,8 @@
 #include <stdio.h>
 #include <sys/time.h>
 #include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
 #include "mpi.h"
 #include "mpe.h"
 #include "pmandel.h"
@@ -292,8 +294,8 @@ Winspecs *winspecs;
 Flags *oldFlags;
 {
   Flags newFlags;
-  char line[1025], *copy, *tok, **argv;
-  int doOneMore, ndrawn, myid, argc;
+  char line[1025], *tok, **argv;
+  int doOneMore, myid, argc;
   xpand_list_Strings *argList;
   FILE *inf;
   int x1,y1,pressed,button;
@@ -324,8 +326,6 @@ Flags *oldFlags;
     fprintf( stderr, "%d opened input file\n", myid );
 #endif
 
-    ndrawn = 0;
-
     while( oldFlags->loop || fgets( line, 1024, inf )) {
       if (oldFlags->loop && !fgets( line, 1024, inf )) {
 	rewind( inf );
@@ -401,7 +401,7 @@ MPE_XGraph graph;
 Winspecs *winspecs;
 Flags *flags;
 {
-  int myid, i, drawAnother;
+  int myid, drawAnother;
 
   MPI_Comm_rank( MPI_COMM_WORLD, &myid );
 
@@ -479,7 +479,7 @@ int DragZoom( graph, flags )
 MPE_XGraph graph;
 Flags *flags;
 {
-  int x1, y1, x2, y2, i, myid, button;
+  int x1, y1, x2, y2, i, myid;
   NUM zx1, zy1, zx2, zy2;
   int okay = 1;