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/* Random definitions used everywhere in Xconq.
Copyright (C) 1987-1989, 1991-1997 Stanley T. Shebs.
Xconq is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version. See the file COPYING. */
#ifndef TRUE
#define TRUE (1)
#endif
#ifndef FALSE
#define FALSE (0)
#endif
/* This is how we do optional prototypes and const decls. */
#ifdef MSDOS
#define PARAMS(ARGS) ARGS
#define CONST const
#endif
#ifndef PARAMS
#ifdef ANSI_PROTOTYPES
#define PARAMS(ARGS) ARGS
#else
#define PARAMS(ARGS) ()
#endif /* ANSI_PROTOTYPES */
#endif /* PARAMS */
#ifndef CONST
#ifdef __STDC__
#define CONST const
#else
#define CONST
#endif /* __STDC__ */
#endif /* CONST */
#ifndef ABS
#define ABS(x) (((x) < 0) ? (0 - (x)) : (x))
#endif
#ifndef min
#define min(x,y) (((x) < (y)) ? (x) : (y))
#endif
#ifndef max
#define max(x,y) (((x) > (y)) ? (x) : (y))
#endif
#define between(lo,n,hi) ((lo) <= (n) && (n) <= (hi))
#define limitn(lo,n,hi) ((n) < (lo) ? (lo) : ((n) > (hi) ? (hi) : (n)))
#define flip_coin() (xrandom(257) % 2)
#define avg(a,b) (((a) + (b)) / 2)
#ifndef isspace
#define isspace(c) ((c) == ' ' || (c) == '\n' || (c) == '\t' || (c) == '\r')
#endif
#define lowercase(c) (isupper(c) ? tolower(c) : (c))
#define uppercase(c) (islower(c) ? toupper(c) : (c))
/* This tests a string to see if it has anything in it. */
#define empty_string(s) ((s) == NULL || s[0] == '\0')
extern char spbuf[];
extern char tmpbuf[];
#ifdef DEBUGGING
/* Debugging definitions. */
#define Dprintf if (Debug && dfp) debug_printf
#define DMprintf if (DebugM && dmfp) debugm_printf
#define DGprintf if (DebugG && dgfp) debugg_printf
#define Dprintlisp(X) if (Debug && dfp) fprintlisp(dfp, (X))
#define DMprintlisp(X) if (DebugM && dmfp) fprintlisp(dmfp, (X))
#define DGprintlisp(X) if (DebugG && dgfp) fprintlisp(dgfp, (X))
/* If the debug flags are not macros, then declare them as globals. */
#ifndef Debug
extern int Debug;
#endif
#ifndef DebugM
extern int DebugM;
#endif
#ifndef DebugG
extern int DebugG;
#endif
extern FILE *dfp;
extern FILE *dmfp;
extern FILE *dgfp;
#else /* DEBUGGING */
/* Make defns and calls vanish if possible. */
#define Dprintf if (0) debug_printf
#define DMprintf if (0) debugm_printf
#define DGprintf if (0) debugg_printf
#define Dprintlisp(X)
#define DMprintlisp(X)
#define DGprintlisp(X)
#define Debug (0)
#define DebugM (0)
#define DebugG (0)
#define dfp stdout
#define dmfp stdout
#define dgfp stdout
#endif /* DEBUGGING */
typedef struct a_library_path {
char *path;
struct a_library_path *next;
} LibraryPath;
#define for_all_library_paths(p) \
for (p = xconq_libs; p != NULL; p = p->next)
extern LibraryPath *xconq_libs;
extern LibraryPath *last_user_xconq_lib;
extern char *getenv();
extern void init_xrandom PARAMS ((int seed));
extern int xrandom PARAMS ((int m));
extern int probability PARAMS ((int prob));
extern int roll_dice PARAMS ((int n));
extern int multiply_dice PARAMS ((int dice, int mult));
extern int prob_fraction PARAMS ((int n));
extern char *xmalloc PARAMS ((int amt));
extern void report_malloc PARAMS ((void));
extern void tprintf PARAMS ((char *buf, char *str, ...));
extern void tnprintf PARAMS ((char *buf, int n, char *str, ...));
extern char *copy_string PARAMS ((char *str));
extern char *pad_blanks PARAMS ((char *str, int n));
extern int iindex PARAMS ((int ch, char *str));
extern long idifftime PARAMS ((time_t t1, time_t t0));
extern void case_panic PARAMS ((char *str, int var));
extern int isqrt PARAMS ((int i));
extern void init_debug_to_stdout PARAMS ((void));
extern void update_debugging PARAMS ((void));
extern void toggle_debugging PARAMS ((int *flagp));
extern void debug_printf PARAMS ((char *str, ...));
extern void debugm_printf PARAMS ((char *str, ...));
extern void debugg_printf PARAMS ((char *str, ...));
extern void prealloc_debug PARAMS ((void));
extern void vtprintf PARAMS ((char *buf, char *str, va_list ap));
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