Global(void) ActivateDiagram(DataLibPtr dl);
Global(void) DeactivateDiagram(Boolean full);

extern Global(DataLib) DiagramLib;
extern Global(Int2) MaxUntitled;
extern Global(Boolean) CurDiagram;
extern Global(CharPtr) Untitled;

Global(void) SelectDiagram(Int2);
Global(Boolean) SelectDiagram_Status(Int2);
Global(void) RedrawDiagram(Int2);

Global(Int2) dCreate(DataLibPtr dlArch, DataLibNotify post);

Global(void) DiagramsExport(DataLibPtr arch, FILE PNTR out, Int2 level);
Global(void) DiagramsImport(DataLibPtr arch, FILE PNTR in, Boolean single);

#define MAXUNT_PAR	HIDDEN_STR"unt"		/* partition with MaxUntitle */

/* Partition names created in diagrams by param.c, curve.c and point.c */

/* curve.c */
#define VA_PART	HIDDEN_STR"vattr"	/* curve's subdir entry with visual attributes */
#define SP_PART	HIDDEN_STR"splst"	/* curve's subdir entry with a list of special points */
#define LP_PART HIDDEN_STR"last"	/* curve's subdir entry with coords of the last point */
#define BD_PART HIDDEN_STR"bif"		/* curve's subdir entry with bif data if its inital point */
#define IC_PART HIDDEN_STR"ic"		/* curve's subdir entry with implementation codes for starter and generator */
#define EC_PART HIDDEN_STR"expcrv"	/* curve export settings */
#define SG_PART	HIDDEN_STR"defstagen"	/* defualt starter/generator */
#define UNTLST	HIDDEN_STR"untlst"	/* name of partition with ptrs to untitled */
#define FILTER_PRE HIDDEN_STR"filt "	/* prefix of filters */
#define ICS_PRE HIDDEN_STR"ics "	/* prefix of default implementation code for starters */
#define ICG_PRE HIDDEN_STR"icg "	/* prefix of default implementation codes for generators */
#define SLVPAR_PART HIDDEN_STR"slvpar"	/* curve's subdir entry with slave sta/gen parameters */

/* param.c */
#define UNIQUE_PART     HIDDEN_STR".unique"	/* unique mask */
#define FUNPAR_PART	HIDDEN_STR".funpar"
#define LIB_PART	HIDDEN_STR".lib"

/* point.c */
#define CURM_PART	HIDDEN_STR"markers"