2 /* Copyright (C) 1989-2000, 2001, 2002, 2003, 2005
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with groff; see the file COPYING. If not, write to the Free Software
20 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
30 const char *i_to_a(int);
31 const char *ui_to_a(unsigned int);
32 const char *if_to_a(int, int);
35 #define __GETOPT_PREFIX groff_
41 #define setlocale(category, locale) do {} while(0)
44 char *strsave(const char *s);
45 int is_prime(unsigned);
46 double groff_hypot(double, double);
56 /* HP-UX 10.20 and LynxOS 4.0.0 don't declare snprintf() */
57 #if !defined(HAVE_SNPRINTF) || defined(NEED_DECLARATION_SNPRINTF)
58 extern "C" { int snprintf(char *, size_t, const char *, /*args*/ ...); }
61 /* LynxOS 4.0.0 has snprintf() but no vsnprintf() */
62 #if !defined(HAVE_VSNPRINTF) || defined(NEED_DECLARATION_VSNPRINTF)
63 extern "C" { int vsnprintf(char *, size_t, const char *, va_list); }
66 /* LynxOS 4.0.0 doesn't declare vfprintf() */
67 #ifdef NEED_DECLARATION_VFPRINTF
68 extern "C" { int vfprintf(FILE *, const char *, va_list); }
72 /* since mkstemp() is defined as a real C++ function if taken from
73 groff's mkstemp.cpp we need a declaration */
74 int mkstemp(char *tmpl);
75 #endif /* HAVE_MKSTEMP */
77 int mksdir(char *tmpl);
79 FILE *xtmpfile(char **namep = 0,
80 const char *postfix_long = 0, const char *postfix_short = 0,
82 char *xtmptemplate(const char *postfix_long, const char *postfix_short);
84 #ifdef NEED_DECLARATION_POPEN
85 extern "C" { FILE *popen(const char *, const char *); }
86 #endif /* NEED_DECLARATION_POPEN */
88 #ifdef NEED_DECLARATION_PCLOSE
89 extern "C" { int pclose (FILE *); }
90 #endif /* NEED_DECLARATION_PCLOSE */
92 size_t file_name_max(const char *fname);
93 size_t path_name_max();
95 int interpret_lf_args(const char *p);
97 extern char invalid_char_table[];
99 inline int invalid_input_char(int c)
101 return c >= 0 && invalid_char_table[c];
104 #ifdef HAVE_STRCASECMP
105 #ifdef NEED_DECLARATION_STRCASECMP
106 // Ultrix4.3's string.h fails to declare this.
107 extern "C" { int strcasecmp(const char *, const char *); }
108 #endif /* NEED_DECLARATION_STRCASECMP */
109 #else /* not HAVE_STRCASECMP */
110 extern "C" { int strcasecmp(const char *, const char *); }
111 #endif /* HAVE_STRCASECMP */
113 #if !defined(_AIX) && !defined(sinix) && !defined(__sinix__)
114 #ifdef HAVE_STRNCASECMP
115 #ifdef NEED_DECLARATION_STRNCASECMP
116 // SunOS's string.h fails to declare this.
117 extern "C" { int strncasecmp(const char *, const char *, int); }
118 #endif /* NEED_DECLARATION_STRNCASECMP */
119 #else /* not HAVE_STRNCASECMP */
120 extern "C" { int strncasecmp(const char *, const char *, size_t); }
121 #endif /* HAVE_STRNCASECMP */
122 #endif /* !_AIX && !sinix && !__sinix__ */
124 #ifdef HAVE_CC_LIMITS_H
126 #else /* not HAVE_CC_LIMITS_H */
127 #define INT_MAX 2147483647
128 #endif /* not HAVE_CC_LIMITS_H */
130 /* It's not safe to rely on people getting INT_MIN right (ie signed). */
136 #ifdef CFRONT_ANSI_BUG
138 /* This works around a bug in cfront 2.0 used with ANSI C compilers. */
140 #define INT_MIN ((long)(-INT_MAX-1))
142 #else /* not CFRONT_ANSI_BUG */
144 #define INT_MIN (-INT_MAX-1)
146 #endif /* not CFRONT_ANSI_BUG */
148 /* Maximum number of digits in the decimal representation of an int
149 (not including the -). */
151 #define INT_DIGITS 10
157 const double PI = 3.14159265358979323846;
159 /* ad_delete deletes an array of objects with destructors;
160 a_delete deletes an array of objects without destructors */
162 #ifdef ARRAY_DELETE_NEEDS_SIZE
163 /* for 2.0 systems */
164 #define ad_delete(size) delete [size]
165 #define a_delete delete
166 #else /* not ARRAY_DELETE_NEEDS_SIZE */
167 /* for ARM systems */
168 #define ad_delete(size) delete []
169 #define a_delete delete []
170 #endif /* not ARRAY_DELETE_NEEDS_SIZE */