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uucp.h
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uucp.h
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/* uucp.h
Header file for the UUCP package.
Copyright (C) 1991, 1992, 1993, 1994, 1995, 2002 Ian Lance Taylor
This file is part of the Taylor UUCP package.
This program 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 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
The author of the program may be contacted at [email protected].
*/
/* Get the system configuration parameters. */
#include "ftm.h"
#include "config.h"
#include "policy.h"
/* Get a definition for ANSI_C if we weren't given one. */
#ifndef ANSI_C
#ifdef __STDC__
#define ANSI_C 1
#else /* ! defined (__STDC__) */
#define ANSI_C 0
#endif /* ! defined (__STDC__) */
#endif /* ! defined (ANSI_C) */
/* Pass this definition into uuconf.h. */
#define UUCONF_ANSI_C ANSI_C
/* We always include some standard header files. We need <signal.h>
to define sig_atomic_t. */
#include <stdio.h>
#include <signal.h>
#if HAVE_STDDEF_H
#include <stddef.h>
#endif
/* On some systems we need <sys/types.h> to get sig_atomic_t or
size_t or time_t. */
#if ! HAVE_SIG_ATOMIC_T_IN_SIGNAL_H && HAVE_SIG_ATOMIC_T_IN_TYPES_H
#define USE_TYPES_H 1
#else
#if ! HAVE_SIZE_T_IN_STDDEF_H && HAVE_SIZE_T_IN_TYPES_H
#define USE_TYPES_H 1
#else
#if ! HAVE_TIME_T_IN_TIME_H && HAVE_TIME_T_IN_TYPES_H
#define USE_TYPES_H 1
#endif
#endif
#endif
#ifndef USE_TYPES_H
#define USE_TYPES_H 0
#endif
#if USE_TYPES_H
#include <sys/types.h>
#endif
/* Make sure we have sig_atomic_t. */
#if ! HAVE_SIG_ATOMIC_T_IN_SIGNAL_H && ! HAVE_SIG_ATOMIC_T_IN_TYPES_H
#ifndef SIG_ATOMIC_T
/* There is no portable definition for sig_atomic_t. */
#define SIG_ATOMIC_T char
#endif /* ! defined (SIG_ATOMIC_T) */
typedef SIG_ATOMIC_T sig_atomic_t;
#endif /* ! HAVE_SIG_ATOMIC_T_IN_SIGNAL_H && ! HAVE_SIG_ATOMIC_T_IN_TYPES_H */
/* Make sure we have size_t. */
#if ! HAVE_SIZE_T_IN_STDDEF_H && ! HAVE_SIZE_T_IN_TYPES_H
#ifndef SIZE_T
#define SIZE_T unsigned
#endif /* ! defined (SIZE_T) */
typedef SIZE_T size_t;
#endif /* ! HAVE_SIZE_T_IN_STDDEF_H && ! HAVE_SIZE_T_IN_TYPES_H */
/* Make sure we have time_t. We use long as the default. We don't
bother to let conf.h override this, since on a system which doesn't
define time_t long must be correct. */
#if ! HAVE_TIME_T_IN_TIME_H && ! HAVE_TIME_T_IN_TYPES_H
typedef long time_t;
#endif
/* Set up some definitions for both ANSI C and Classic C.
P() -- for function prototypes (e.g. extern int foo P((int)) ).
pointer -- for a generic pointer (i.e. void *).
constpointer -- for a generic pointer to constant data.
BUCHAR -- to convert a character to unsigned. */
#if ANSI_C
#if ! HAVE_VOID || ! HAVE_UNSIGNED_CHAR || ! HAVE_PROTOTYPES
#error ANSI C compiler without void or unsigned char or prototypes
#endif
#define P(x) x
typedef void *pointer;
typedef const void *constpointer;
#define BUCHAR(b) ((unsigned char) (b))
#else /* ! ANSI_C */
/* Handle uses of volatile and void in Classic C. */
#define volatile
#if ! HAVE_VOID
#define void int
#endif
#if HAVE_PROTOTYPES
#define P(x) x
#else
#define P(x) ()
#endif
typedef char *pointer;
typedef const char *constpointer;
#if HAVE_UNSIGNED_CHAR
#define BUCHAR(b) ((unsigned char) (b))
#else /* ! HAVE_UNSIGNED_CHAR */
/* This should work on most systems, but not necessarily all. */
#define BUCHAR(b) ((b) & 0xff)
#endif /* ! HAVE_UNSIGNED_CHAR */
#endif /* ! ANSI_C */
/* Make sure we have a definition for offsetof. */
#ifndef offsetof
#define offsetof(type, field) \
((size_t) ((char *) &(((type *) 0)->field) - (char *) (type *) 0))
#endif
/* Only use inline with gcc. */
#ifndef __GNUC__
#define __inline__
#endif
/* Some boilerplate code to permit using gcc attributes while
supporting older versions of gcc and also other compilers. */
/* This macro simplifies testing whether we are using gcc, and if it
is of a particular minimum version. (Both major & minor numbers are
significant.) This macro will evaluate to 0 if we are not using
gcc at all. */
#ifndef GCC_VERSION
#define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
#endif /* GCC_VERSION */
/* Define macros for some gcc attributes. This permits us to use the
macros freely, and know that they will come into play for the
version of gcc in which they are supported. */
#if (GCC_VERSION < 2007)
# define __attribute__(x)
#endif
/* Attribute __malloc__ on functions was valid as of gcc 2.96. */
#ifndef ATTRIBUTE_MALLOC
# if (GCC_VERSION >= 2096)
# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
# else
# define ATTRIBUTE_MALLOC
# endif /* GNUC >= 2.96 */
#endif /* ATTRIBUTE_MALLOC */
/* Attributes on labels were valid as of gcc 2.93. */
#ifndef ATTRIBUTE_UNUSED_LABEL
# if (GCC_VERSION >= 2093)
# define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED
# else
# define ATTRIBUTE_UNUSED_LABEL
# endif /* GNUC >= 2.93 */
#endif /* ATTRIBUTE_UNUSED_LABEL */
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif /* ATTRIBUTE_UNUSED */
#ifndef ATTRIBUTE_NORETURN
#define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
#endif /* ATTRIBUTE_NORETURN */
/* We want our ATTRIBUTE_PRINTF functions to also permit
a NULL format string. */
#ifdef __GNUC__
# define ATTRIBUTE_PRINTF_NULL_OK __printf0__
#else
# define ATTRIBUTE_PRINTF_NULL_OK __printf__
#endif
#ifndef ATTRIBUTE_PRINTF
#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (ATTRIBUTE_PRINTF_NULL_OK, m, n)))
#define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2)
#define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3)
#define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4)
#define ATTRIBUTE_PRINTF_4 ATTRIBUTE_PRINTF(4, 5)
#define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6)
#endif /* ATTRIBUTE_PRINTF */
/* Get the string functions, which are used throughout the code. */
#if HAVE_MEMORY_H
#include <memory.h>
#else
/* We really need a definition for memchr, and this should not
conflict with anything in <string.h>. I hope. */
extern pointer memchr ();
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_STRINGS_H
#include <strings.h>
#endif
/* Get what we need from <stdlib.h>. */
#if HAVE_STDLIB_H
#include <stdlib.h>
#else /* ! HAVE_STDLIB_H */
extern pointer malloc (), realloc (), bsearch ();
extern long strtol ();
extern unsigned long strtoul ();
extern char *getenv ();
#endif /* ! HAVE_STDLIB_H */
/* NeXT uses <libc.h> to declare a bunch of functions. */
#if HAVE_LIBC_H
#include <libc.h>
#endif
/* Make sure we have the EXIT_ macros. */
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS (0)
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE (1)
#endif
/* If we need to declare errno, do so. I don't want to always do
this, because some system might theoretically have a different
declaration for errno. On a POSIX system this is sure to work. */
#if ! HAVE_ERRNO_DECLARATION
extern int errno;
#endif
/* If the system has the socket call, guess that we can compile the
TCP code. */
#define HAVE_TCP HAVE_SOCKET
/* If the system has the t_open call, guess that we can compile the
TLI code. */
#define HAVE_TLI HAVE_T_OPEN
/* The boolean type holds boolean values. */
typedef int boolean;
#undef TRUE
#undef FALSE
#define TRUE (1)
#define FALSE (0)
/* The openfile_t type holds an open file. This depends on whether we
are using stdio or not. */
#if USE_STDIO
typedef FILE *openfile_t;
#define EFILECLOSED ((FILE *) NULL)
#define ffileisopen(e) ((e) != NULL)
#define ffileeof(e) feof (e)
#define cfileread(e, z, c) fread ((z), 1, (c), (e))
#define cfilewrite(e, z, c) fwrite ((z), 1, (c), (e))
#define ffileioerror(e, c) ferror (e)
#ifdef SEEK_SET
#define ffileseek(e, i) (fseek ((e), (long) (i), SEEK_SET) == 0)
#define ffilerewind(e) (fseek ((e), (long) 0, SEEK_SET) == 0)
#else
#define ffileseek(e, i) (fseek ((e), (long) (i), 0) == 0)
#define ffilerewind(e) (fseek ((e), (long) 0, 0) == 0)
#endif
#ifdef SEEK_END
#define ffileseekend(e) (fseek ((e), (long) 0, SEEK_END) == 0)
#else
#define ffileseekend(e) (fseek ((e), (long) 0, 2) == 0)
#endif
#define ffileclose(e) (fclose (e) == 0)
#define fstdiosync(e, z) (fsysdep_sync (e, z))
#else /* ! USE_STDIO */
#if ! USE_TYPES_H
#undef USE_TYPES_H
#define USE_TYPES_H 1
#include <sys/types.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef OFF_T
typedef OFF_T off_t;
#undef OFF_T
#endif
typedef int openfile_t;
#define EFILECLOSED (-1)
#define ffileisopen(e) ((e) >= 0)
#define ffileeof(e) (FALSE)
#define cfileread(e, z, c) read ((e), (z), (c))
#define cfilewrite(e, z, c) write ((e), (z), (c))
#define ffileioerror(e, c) ((c) < 0)
#ifdef SEEK_SET
#define ffileseek(e, i) (lseek ((e), (off_t) i, SEEK_SET) >= 0)
#define ffilerewind(e) (lseek ((e), (off_t) 0, SEEK_SET) >= 0)
#else
#define ffileseek(e, i) (lseek ((e), (off_t) i, 0) >= 0)
#define ffilerewind(e) (lseek ((e), (off_t) 0, 0) >= 0)
#endif
#ifdef SEEK_END
#define ffileseekend(e) (lseek ((e), (off_t) 0, SEEK_END) >= 0)
#else
#define ffileseekend(e) (lseek ((e), (off_t) 0, 2) >= 0)
#endif
#define ffileclose(e) (close (e) >= 0)
#define fstdiosync(e, z) (fsysdep_sync (fileno (e), z))
#endif /* ! USE_STDIO */
/* A prototype for main to avoid warnings from gcc 2.0
-Wmissing-prototype option. */
extern int main P((int argc, char **argv));
/* Some standard routines which we only define if they are not present
on the system we are compiling on. */
#if ! HAVE_GETLINE
/* Read a line from a file. */
extern int getline P((char **pz, size_t *pc, FILE *e));
#endif
#if ! HAVE_REMOVE
/* Erase a file. */
#undef remove
extern int remove P((const char *zfile));
#endif
#if ! HAVE_STRDUP
/* Copy a string into memory. */
extern char *strdup P((const char *z));
#endif
#if ! HAVE_STRSTR
/* Look for one string within another. */
extern char *strstr P((const char *zouter, const char *zinner));
#endif
#if ! HAVE_STRCASECMP
#if HAVE_STRICMP
#define strcasecmp stricmp
#else /* ! HAVE_STRICMP */
/* Rename strcasecmp to avoid ANSI C name space. */
#define strcasecmp xstrcasecmp
extern int strcasecmp P((const char *z1, const char *z2));
#endif /* ! HAVE_STRICMP */
#endif /* ! HAVE_STRCASECMP */
#if ! HAVE_STRNCASECMP
#if HAVE_STRNICMP
#define strncasecmp strnicmp
#else /* ! HAVE_STRNICMP */
/* Rename strncasecmp to avoid ANSI C name space. */
#define strncasecmp xstrncasecmp
extern int strncasecmp P((const char *z1, const char *z2, size_t clen));
#endif /* ! HAVE_STRNICMP */
#endif /* ! HAVE_STRNCASECMP */
#if ! HAVE_STRERROR
/* Get a string corresponding to an error message. */
#undef strerror
extern char *strerror P((int ierr));
#endif
/* Get the appropriate definitions for memcmp, memcpy, memchr and
bzero. */
#if ! HAVE_MEMCMP
#if HAVE_BCMP
#define memcmp(p1, p2, c) bcmp ((p1), (p2), (c))
#else /* ! HAVE_BCMP */
extern int memcmp P((constpointer p1, constpointer p2, size_t c));
#endif /* ! HAVE_BCMP */
#endif /* ! HAVE_MEMCMP */
#if ! HAVE_MEMCPY
#if HAVE_BCOPY
#define memcpy(pto, pfrom, c) bcopy ((pfrom), (pto), (c))
#else /* ! HAVE_BCOPY */
extern pointer memcpy P((pointer pto, constpointer pfrom, size_t c));
#endif /* ! HAVE_BCOPY */
#endif /* ! HAVE_MEMCPY */
#if ! HAVE_MEMCHR
extern pointer memchr P((constpointer p, int b, size_t c));
#endif
#if ! HAVE_BZERO
#if HAVE_MEMSET
#define bzero(p, c) memset ((p), 0, (c))
#else /* ! HAVE_MEMSET */
extern void bzero P((pointer p, int c));
#endif /* ! HAVE_MEMSET */
#endif /* ! HAVE_BZERO */
/* Look up a character in a string. */
#if ! HAVE_STRCHR
#if HAVE_INDEX
#define strchr index
extern char *index ();
#else /* ! HAVE_INDEX */
extern char *strchr P((const char *z, int b));
#endif /* ! HAVE_INDEX */
#endif /* ! HAVE_STRCHR */
#if ! HAVE_STRRCHR
#if HAVE_RINDEX
#define strrchr rindex
extern char *rindex ();
#else /* ! HAVE_RINDEX */
extern char *strrchr P((const char *z, int b));
#endif /* ! HAVE_RINDEX */
#endif /* ! HAVE_STRRCHR */
/* Turn a string into a long integer. */
#if ! HAVE_STRTOL
extern long strtol P((const char *, char **, int));
#endif
/* Turn a string into a long unsigned integer. */
#if ! HAVE_STRTOUL
extern unsigned long strtoul P((const char *, char **, int));
#endif
/* Lookup a key in a sorted array. */
#if ! HAVE_BSEARCH
extern pointer bsearch P((constpointer pkey, constpointer parray,
size_t celes, size_t cbytes,
int (*pficmp) P((constpointer, constpointer))));
#endif