+/* $NetBSD: extern.h,v 1.38 2011/08/29 20:30:37 joerg Exp $ */
+
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* @(#)externs.h 8.1 (Berkeley) 5/31/93
*/
-#include <stdio.h>
-#include <signal.h>
-#include <ctype.h>
-#include <setjmp.h>
+#include <sys/types.h>
+#include <stdbool.h>
+
#include "machdep.h"
/* program mode */
-int mode;
-jmp_buf restart;
+extern int mode;
#define MODE_PLAYER 1
#define MODE_DRIVER 2
#define MODE_LOGGER 3
/* command line flags */
-char debug; /* -D */
-char randomize; /* -x, give first available ship */
-char longfmt; /* -l, print score in long format */
-char nobells; /* -b, don't ring bell before Signal */
+extern bool randomize; /* -x, give first available ship */
+extern bool longfmt; /* -l, print score in long format */
+extern bool nobells; /* -b, don't ring bell before Signal */
- /* other initial modes */
-char issetuid; /* running setuid */
+ /* other initial data */
+extern gid_t gid;
+extern gid_t egid;
+#define MAXNAMESIZE 20
+extern char myname[MAXNAMESIZE];
-#define die() ((rand() >> 3) % 6 + 1)
+#define dieroll() ((random()) % 6 + 1)
#define sqr(a) ((a) * (a))
-#define abs(a) ((a) > 0 ? (a) : -(a))
#define min(a,b) ((a) < (b) ? (a) : (b))
#define grappled(a) ((a)->file->ngrap)
#define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count)
#define snagged2(a, b) (grappled2(a, b) + fouled2(a, b))
-#define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0)
-#define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0)
+#define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 \
+ ? grappled2(a, b) : 0)
+#define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 \
+ ? fouled2(a, b) : 0)
#define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b))
#define cleangrapple(a, b, c) Cleansnag(a, b, c, 1)
#define cleanfoul(a, b, c) Cleansnag(a, b, c, 2)
#define cleansnag(a, b, c) Cleansnag(a, b, c, 3)
-#define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0))
+#define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured ? 10 : 0))
#define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir])
#define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir])
#define HULL 0
#define RIGGING 1
-#define W_CAPTAIN 1
-#define W_CAPTURED 2
-#define W_CLASS 3
-#define W_CREW 4
-#define W_DBP 5
-#define W_DRIFT 6
-#define W_EXPLODE 7
-#define W_FILE 8
-#define W_FOUL 9
-#define W_GUNL 10
-#define W_GUNR 11
-#define W_HULL 12
-#define W_MOVE 13
-#define W_OBP 14
-#define W_PCREW 15
-#define W_UNFOUL 16
-#define W_POINTS 17
-#define W_QUAL 18
-#define W_UNGRAP 19
-#define W_RIGG 20
-#define W_COL 21
-#define W_DIR 22
-#define W_ROW 23
-#define W_SIGNAL 24
-#define W_SINK 25
-#define W_STRUCK 26
-#define W_TA 27
-#define W_ALIVE 28
-#define W_TURN 29
-#define W_WIND 30
-#define W_FS 31
-#define W_GRAP 32
-#define W_RIG1 33
-#define W_RIG2 34
-#define W_RIG3 35
-#define W_RIG4 36
-#define W_BEGIN 37
-#define W_END 38
-#define W_DDEAD 39
-
#define NLOG 10
struct logs {
- char l_name[20];
+ char l_name[MAXNAMESIZE];
int l_uid;
int l_shipnum;
int l_gamenum;
};
struct BP {
- short turnsent;
struct ship *toship;
+ short turnsent;
short mensent;
};
short sn_turn;
};
-#define NSCENE nscene
+#define NSCENE /*nscene*/ 32
#define NSHIP 10
#define NBP 3
struct File {
int index;
- char captain[20]; /* 0 */
+ char captain[MAXNAMESIZE]; /* 0 */
short points; /* 20 */
- char loadL; /* 22 */
- char loadR; /* 24 */
- char readyL; /* 26 */
- char readyR; /* 28 */
+ unsigned char loadL; /* 22 */
+ unsigned char loadR; /* 24 */
+ unsigned char readyL; /* 26 */
+ unsigned char readyR; /* 28 */
struct BP OBP[NBP]; /* 30 */
struct BP DBP[NBP]; /* 48 */
char struck; /* 66 */
char FS; /* 230 */
char explode; /* 232 */
char sink; /* 234 */
- char dir;
+ unsigned char dir;
short col;
short row;
char loadwith;
};
struct ship {
- char *shipname; /* 0 */
+ const char *shipname; /* 0 */
struct shipspecs *specs; /* 2 */
- char nationality; /* 4 */
+ unsigned char nationality; /* 4 */
short shiprow; /* 6 */
short shipcol; /* 8 */
char shipdir; /* 10 */
char winddir; /* 0 */
char windspeed; /* 2 */
char windchange; /* 4 */
- char vessels; /* 12 */
- char *name; /* 14 */
+ unsigned char vessels; /* 12 */
+ const char *name; /* 14 */
struct ship ship[NSHIP]; /* 16 */
};
-struct scenario scene[];
-int nscene;
+extern struct scenario scene[NSCENE];
+extern int nscene;
struct shipspecs {
char bs;
char fs;
char ta;
short guns;
- char class;
+ unsigned char class;
char hull;
- char qual;
+ unsigned char qual;
char crew1;
char crew2;
char crew3;
char gunR;
char carL;
char carR;
- char rig1;
- char rig2;
- char rig3;
- char rig4;
+ int rig1;
+ int rig2;
+ int rig3;
+ int rig4;
short pts;
};
-struct shipspecs specs[];
-struct scenario *cc; /* the current scenario */
-struct ship *ls; /* &cc->ship[cc->vessels] */
+extern struct scenario *cc; /* the current scenario */
+extern struct ship *ls; /* &cc->ship[cc->vessels] */
#define SHIP(s) (&cc->ship[s])
#define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++)
struct windeffects {
char A, B, C, D;
};
-struct windeffects WET[7][6];
+extern const struct windeffects WET[7][6];
struct Tables {
char H, G, C, R;
};
-struct Tables RigTable[11][6];
-struct Tables HullTable[11][6];
-
-char AMMO[9][4];
-char HDT[9][10];
-char HDTrake[9][10];
-char QUAL[9][5];
-char MT[9][3];
-
-char *countryname[];
-char *classname[];
-char *directionname[];
-char *qualname[];
-char loadname[];
-
-char rangeofshot[];
-
-char dr[], dc[];
-
-int winddir;
-int windspeed;
-int turn;
-int game;
-int alive;
-int people;
-char hasdriver;
-
-char *info();
-char *quality();
-double arctan();
-char *saywhat();
-struct ship *closestenemy();
-
-char *calloc();
-char *rindex();
-char *strcpy();
-char *strcat();
-char *strncpy();
-char *getenv();
-char *gets();
+extern const struct Tables RigTable[11][6];
+extern const struct Tables HullTable[11][6];
+
+extern const char AMMO[9][4];
+extern const char HDT[9][10];
+extern const char HDTrake[9][10];
+extern const char QUAL[9][5];
+extern const char MT[9][3];
+
+extern const char *const countryname[];
+extern const char *const shortclassname[];
+extern const char *const classname[];
+extern const char *const directionname[];
+extern const char *const qualname[];
+extern const char loadname[];
+
+extern const char rangeofshot[];
+
+extern const char dr[], dc[];
+
+extern int winddir;
+extern int windspeed;
+extern int turn;
+extern int game;
+extern int alive;
+extern int people;
+extern int hasdriver;
+
+
+/* assorted.c */
+void table(struct ship *, struct ship *, int, int, int, int);
+void Cleansnag(struct ship *, struct ship *, int, int);
+
+/* dr_1.c */
+void unfoul(void);
+void boardcomp(void);
+void resolve(void);
+void compcombat(void);
+int next(void);
+
+/* dr_2.c */
+void thinkofgrapples(void);
+void checkup(void);
+void prizecheck(void);
+void closeon(struct ship *, struct ship *, char *, size_t, int, int, bool);
+
+/* dr_3.c */
+void moveall(void);
+void sendbp(struct ship *, struct ship *, int, int);
+int is_toughmelee(struct ship *, struct ship *, int, int);
+void reload(void);
+void checksails(void);
+
+/* dr_4.c */
+void ungrap(struct ship *, struct ship *);
+void grap(struct ship *, struct ship *);
+
+/* dr_5.c */
+void subtract(struct ship *, struct ship *, int, int [3], int);
+int mensent(struct ship *, struct ship *, int[3], struct ship **, int *, int);
+
+/* dr_main.c */
+int dr_main(void);
+void startdriver(void);
+
+/* game.c */
+int maxturns(struct ship *, bool *);
+int maxmove(struct ship *, int, int);
+
+/* lo_main.c */
+void lo_curses(void);
+int lo_main(void);
+
+/* misc.c */
+int range(struct ship *, struct ship *);
+struct ship *closestenemy(struct ship *, int, int);
+int gunsbear(struct ship *, struct ship *);
+int portside(struct ship *, struct ship *, int);
+int colours(struct ship *);
+void logger(struct ship *);
+
+/* parties.c */
+int meleeing(struct ship *, struct ship *);
+int boarding(struct ship *, int);
+void unboard(struct ship *, struct ship *, int);
+
+/* pl_1.c */
+void leave(int) __dead;
+void choke(int) __dead;
+void child(int);
+
+/* pl_2.c */
+void newturn(int);
+void play(void) __dead;
+
+/* pl_3.c */
+void acceptcombat(void);
+void grapungrap(void);
+void unfoulplayer(void);
+
+/* pl_4.c */
+void changesail(void);
+void acceptsignal(void);
+void lookout(void);
+const char *saywhat(struct ship *, int);
+void eyeball(struct ship *);
+
+/* pl_5.c */
+void acceptmove(void);
+void acceptboard(void);
+
+/* pl_6.c */
+void repair(void);
+void loadplayer(void);
+
+/* pl_7.c */
+void initscreen(void);
+void cleanupscreen(void);
+void Signal(const char *, struct ship *, ...) __printflike(1,3);
+void Msg(const char *, ...) __printflike(1,2);
+int sgetch(const char *, struct ship *, int);
+void sgetstr(const char *, char *, int);
+void centerview(void);
+void upview(void);
+void downview(void);
+void leftview(void);
+void rightview(void);
+void startup(void);
+
+/* pl_main.c */
+void pl_main_init(void);
+void pl_main_uninit(void);
+__dead void pl_main(void);
+
+/* sync.c */
+void fmtship(char *, size_t, const char *, struct ship *);
+void makesignal(struct ship *, const char *, struct ship *, ...)
+ __printflike(2,4);
+void makemsg(struct ship *, const char *, ...) __printflike(2, 3);
+int sync_exists(int);
+int sync_open(void);
+void sync_close(int);
+int Sync(void);
+
+void send_captain(struct ship *ship, const char *astr);
+void send_captured(struct ship *ship, long a);
+void send_class(struct ship *ship, long a);
+void send_crew(struct ship *ship, long a, long b, long c);
+void send_dbp(struct ship *ship, long a, long b, long c, long d);
+void send_drift(struct ship *ship, long a);
+void send_explode(struct ship *ship, long a);
+void send_foul(struct ship *ship, long a);
+void send_gunl(struct ship *ship, long a, long b);
+void send_gunr(struct ship *ship, long a, long b);
+void send_hull(struct ship *ship, long a);
+void send_move(struct ship *ship, const char *astr);
+void send_obp(struct ship *ship, long a, long b, long c, long d);
+void send_pcrew(struct ship *ship, long a);
+void send_unfoul(struct ship *ship, long a, long b);
+void send_points(struct ship *ship, long a);
+void send_qual(struct ship *ship, long a);
+void send_ungrap(struct ship *ship, long a, long b);
+void send_rigg(struct ship *ship, long a, long b, long c, long d);
+void send_col(struct ship *ship, long a);
+void send_dir(struct ship *ship, long a);
+void send_row(struct ship *ship, long a);
+void send_signal(struct ship *ship, const char *astr);
+void send_sink(struct ship *ship, long a);
+void send_struck(struct ship *ship, long a);
+void send_ta(struct ship *ship, long a);
+void send_alive(void);
+void send_turn(long a);
+void send_wind(long a, long b);
+void send_fs(struct ship *ship, long a);
+void send_grap(struct ship *ship, long a);
+void send_rig1(struct ship *ship, long a);
+void send_rig2(struct ship *ship, long a);
+void send_rig3(struct ship *ship, long a);
+void send_rig4(struct ship *ship, long a);
+void send_begin(struct ship *ship);
+void send_end(struct ship *ship);
+void send_ddead(void);