diff -r 723af8fef529 -r a3ef33a8694a generators/netgen/netgen.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/generators/netgen/netgen.h	Fri Nov 26 19:23:47 2010 +0100
@@ -0,0 +1,95 @@
+/*** netgen.h
+ *** Prototype code for inclusion into network generation routines
+ ***/
+
+/*** Constant definitions */
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#define BAD_SEED  -1			/* error indicators */
+#define TOO_BIG   -2
+#define BAD_PARMS -3
+#define ALLOCATION_FAILURE -4
+
+
+/*** Type definitions */
+
+typedef unsigned long NODE;		/* node number */
+typedef unsigned long ARC;		/* arc number */
+typedef long CAPACITY;			/* arc capacity */
+typedef long COST;			/* arc cost */
+typedef unsigned long INDEX;		/* index element */
+typedef int INDEX_LIST;			/* index list handle */
+
+
+/*** Function prototypes */
+
+#ifdef __STDC__
+
+#include <stdlib.h>
+#include <string.h>
+
+void netgen_(long*, long[], long*, long*);	/* Fortran external interface */
+ARC netgen(long, long*);	    		/* C external interface */
+
+INDEX_LIST make_index_list(INDEX, INDEX); /* allocates a new index list */
+void free_index_list(INDEX_LIST);	/* frees an existing list */
+INDEX choose_index(INDEX_LIST, INDEX);	/* chooses index at specified position */
+void remove_index(INDEX_LIST, INDEX);	/* removes specified index from list */
+INDEX index_size(INDEX_LIST); 		/* number of indices remaining */
+INDEX pseudo_size(INDEX_LIST);		/* "modified" index size */
+
+void set_random(long);	    		/* initialize random seed */
+long ng_random(long, long);    		/* generate random integer in interval */
+
+#else
+
+void *malloc();				/* some standard header should define this */
+void *realloc();			/* ditto */
+void free();				/* ditto */
+void *memset();				/* ditto */
+void exit();				/* ditto */
+
+void netgen_();				/* Fortran external interface */
+ARC netgen();		    		/* C external interface */
+
+INDEX_LIST make_index_list();		/* allocates a new index list */
+void free_index_list();			/* frees an existing list */
+INDEX choose_index();			/* chooses index at specified position */
+void remove_index();			/* removes specified index from list */
+INDEX index_size(); 			/* number of indices remaining */
+INDEX pseudo_size();			/* "modified" index size */
+
+void set_random();	    		/* initialize random seed */
+long ng_random();    			/* generate random integer in interval */
+
+#endif
+
+/*** To maintain compatibility with the old Fortran network generator,
+ *** the following are defined.  This allows linking the generator code
+ *** with the solver, with the generated network passed to the solver
+ *** through arrays in memory.
+ ***/
+
+#define MAXNODES   10000000  		/* maximum problem sizes */
+#define MAXARCS    40000000
+
+#define FROM arrays_	    		/* aliases for network storage */
+#define TO   arraye_
+#define U    arrayu_
+#define C    arrayc_
+#define B    arrayb_
+
+#ifdef ALLOCATE_NETWORK	    		/* storage definitions */
+#define EXTERN 
+#else
+#define EXTERN extern
+#endif
+
+EXTERN NODE     FROM[MAXARCS];	/* origin of each arc */
+EXTERN NODE     TO  [MAXARCS];	/* destination */
+EXTERN CAPACITY U   [MAXARCS];	/* capacity */
+EXTERN COST     C   [MAXARCS];	/* cost */
+EXTERN CAPACITY B   [MAXNODES];	/* supply (demand) at each node */