xref: /freebsd/contrib/tcsh/tc.os.h (revision 0f7f3352c8bc463607912e2463d13e52d44a4cae)
1 /* $Header: /p/tcsh/cvsroot/tcsh/tc.os.h,v 3.105 2011/02/04 18:00:26 christos Exp $ */
2 /*
3  * tc.os.h: Shell os dependent defines
4  */
5 /*-
6  * Copyright (c) 1980, 1991 The Regents of the University of California.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 #ifndef _h_tc_os
34 #define _h_tc_os
35 
36 #ifdef notdef
37 /*
38  * for SVR4 and linux we used to fork pipelines backwards.
39  * This should not be needed any more.
40  * more info in sh.sem.c
41  */
42 # define BACKPIPE
43 #endif /* notdef */
44 
45 #ifdef __CYGWIN__
46 #  undef NOFILE
47 #  define NOFILE sysconf(_SC_OPEN_MAX)
48 #endif
49 
50 #ifdef   _VMS_POSIX
51 # ifndef  NOFILE
52 #  define  NOFILE 64
53 # endif /* NOFILE */
54 # define  nice(a)       setprio((getpid()),a)
55 # include <sys/time.h>    /* for time stuff in tc.prompt.c */
56 # include <limits.h>
57 #endif /* atp vmsposix */
58 
59 #if defined(DECOSF1) || defined(HPUXVERSION)
60 # include <sys/signal.h>
61 #endif /* DECOSF1 || HPUXVERSION */
62 
63 #ifdef DECOSF1
64 # include <sys/ioctl.h>
65 #endif /* DECOSF1 */
66 
67 #if defined(OPEN_MAX) && !defined(NOFILE)
68 # define NOFILE OPEN_MAX
69 #endif /* OPEN_MAX && !NOFILE */
70 
71 #if defined(USR_NFDS) && !defined(NOFILE)
72 # define NOFILE USR_NFDS
73 #endif /* USR_NFDS && !NOFILE */
74 
75 #ifndef NOFILE
76 # define NOFILE 256
77 #endif /* NOFILE */
78 
79 #ifdef OREO
80 # include <sys/time.h>
81 # ifdef notdef
82   /* Don't include it, because it defines things we don't really have */
83 #  include <sys/resource.h>
84 # endif /* notdef */
85 # ifdef POSIX
86 #  include <sys/tty.h>
87 #  include <termios.h>
88 # endif /* POSIX */
89 #endif /* OREO */
90 
91 #ifdef __QNXNTO__
92 #include <sys/resource.h>
93 #include <fcntl.h>
94 #undef O_TEXT
95 #undef O_BINARY
96 #endif
97 
98 #ifdef convex
99 # include <sys/dmon.h>
100 #endif /* convex */
101 
102 #ifdef titan
103 extern int end;
104 #endif /* titan */
105 
106 #ifdef hpux
107 # ifdef lint
108 /*
109  * Hpux defines struct ucred, in <sys/user.h>, but if I include that
110  * then I need to include the *world*
111  * [all this to pass lint cleanly!!!]
112  * so I define struct ucred here...
113  */
114 struct ucred {
115     int     foo;
116 };
117 # endif /* lint */
118 
119 /*
120  * hpux 7.0 does not define it
121  */
122 # ifndef CSUSP
123 #  define CSUSP 032
124 # endif	/* CSUSP */
125 
126 # include <signal.h>
127 # if !defined(hp9000s500) && !(defined(SIGRTMAX) || defined(SIGRTMIN))
128 /*
129  * hpux < 7
130  */
131 #  include <sys/bsdtty.h>
132 # endif /* !hp9000s500 && !(SIGRTMAX || SIGRTMIN) */
133 
134 # ifndef TIOCSTI
135 #  include <sys/strtio.h>
136 # endif
137 #endif /* hpux */
138 
139 /*
140  * ISC does not define CSUSP
141  */
142 #ifdef ISC
143 # ifndef CSUSP
144 #  define CSUSP 032
145 # endif	/* CSUSP */
146 # if defined(POSIX) && !defined(TIOCGWINSZ)
147 /*
148  * ISC defines this only in termio.h. If we are using POSIX and include
149  * termios.h, then we define it ourselves so that window resizing works.
150  */
151 #  define TIOCGWINSZ      (('T'<<8)|104)
152 # endif /* POSIX && !TIOCGWINSZ */
153 #endif /* ISC */
154 
155 #ifdef ISC202
156 # undef TIOCGWINSZ
157 #endif /* ISC202 */
158 
159 /*
160  * XXX: This will be changed soon to
161  * #if (SYSVREL > 0) && defined(TIOCGWINSZ)
162  * If that breaks on your machine, let me know.
163  *
164  * It would break on glibc, where all this is
165  * defined in <termios.h>. Wrapper added.
166  */
167 #if !defined(__linux__) && !defined(__GNU__) && !defined(__GLIBC__) && !defined(_VMS_POSIX)
168 # if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32)
169 #  ifdef TIOCGWINSZ
170 /*
171  * for struct winsiz
172  */
173 #   include <sys/stream.h>
174 #   include <sys/ptem.h>
175 #  endif /* TIOCGWINSZ */
176 # endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */
177 #endif /* !glibc && !_VMS_POSIX */
178 
179 #ifdef IRIS4D
180 # include <sys/time.h>
181 # include <sys/resource.h>
182 #endif /* IRIS4D */
183 
184 /*
185  * For some versions of system V software, specially ones that use the
186  * Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls
187  * might not work correctly for file descriptors [they work only for
188  * sockets]. So we try to use first the fcntl() and we only use the
189  * ioctl() form, only if we don't have the fcntl() one.
190  *
191  * From: scott@craycos.com (Scott Bolte)
192  */
193 #ifndef WINNT_NATIVE
194 # ifdef F_SETFD
195 #  ifndef FD_CLOEXEC
196 #   define FD_CLOEXEC 1
197 #  endif
198 #  define close_on_exec(fd, v) fcntl((fd), F_SETFD, ((v) ? FD_CLOEXEC : 0))
199 # else /* !F_SETFD */
200 #  ifdef FIOCLEX
201 #   define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL)
202 #  else /* !FIOCLEX */
203 #   define close_on_exec(fd, v)	/* Nothing */
204 #  endif /* FIOCLEX */
205 # endif /* F_SETFD */
206 #else /* WINNT_NATIVE */
207 # define close_on_exec(fd, v) nt_close_on_exec((fd),(v))
208 #endif /* !WINNT_NATIVE */
209 
210 /*
211  * Stat
212  */
213 #ifdef ISC
214 /* these are not defined for _POSIX_SOURCE under ISC 2.2 */
215 # ifndef S_IFMT
216 #  define S_IFMT	0170000		/* type of file */
217 #  define S_IFDIR	0040000		/* directory */
218 #  define S_IFCHR	0020000		/* character special */
219 #  define S_IFBLK	0060000		/* block special */
220 #  define S_IFREG	0100000		/* regular */
221 #  define S_IFIFO	0010000		/* fifo */
222 #  define S_IFNAM	0050000		/* special named file */
223 #  ifndef ISC202
224 #   define S_IFLNK	0120000		/* symbolic link */
225 #  endif /* ISC202 */
226 # endif /* S_IFMT */
227 #endif /* ISC */
228 
229 #ifdef STAT_MACROS_BROKEN
230 # undef S_ISDIR
231 # undef S_ISCHR
232 # undef S_ISBLK
233 # undef S_ISREG
234 # undef S_ISFIFO
235 # undef S_ISNAM
236 # undef S_ISLNK
237 # undef S_ISSOCK
238 #endif /* STAT_MACROS_BROKEN */
239 
240 #ifdef S_IFMT
241 # if !defined(S_ISDIR) && defined(S_IFDIR)
242 #  define S_ISDIR(a)	(((a) & S_IFMT) == S_IFDIR)
243 # endif	/* ! S_ISDIR && S_IFDIR */
244 # if !defined(S_ISCHR) && defined(S_IFCHR)
245 #  define S_ISCHR(a)	(((a) & S_IFMT) == S_IFCHR)
246 # endif /* ! S_ISCHR && S_IFCHR */
247 # if !defined(S_ISBLK) && defined(S_IFBLK)
248 #  define S_ISBLK(a)	(((a) & S_IFMT) == S_IFBLK)
249 # endif	/* ! S_ISBLK && S_IFBLK */
250 # if !defined(S_ISREG) && defined(S_IFREG)
251 #  define S_ISREG(a)	(((a) & S_IFMT) == S_IFREG)
252 # endif	/* ! S_ISREG && S_IFREG */
253 # if !defined(S_ISFIFO) && defined(S_IFIFO)
254 #  define S_ISFIFO(a)	(((a) & S_IFMT) == S_IFIFO)
255 # endif	/* ! S_ISFIFO && S_IFIFO */
256 # if !defined(S_ISNAM) && defined(S_IFNAM)
257 #  define S_ISNAM(a)	(((a) & S_IFMT) == S_IFNAM)
258 # endif	/* ! S_ISNAM && S_IFNAM */
259 # if !defined(S_ISLNK) && defined(S_IFLNK)
260 #  define S_ISLNK(a)	(((a) & S_IFMT) == S_IFLNK)
261 # endif	/* ! S_ISLNK && S_IFLNK */
262 # if !defined(S_ISSOCK) && defined(S_IFSOCK)
263 #  define S_ISSOCK(a)	(((a) & S_IFMT) == S_IFSOCK)
264 # endif	/* ! S_ISSOCK && S_IFSOCK */
265 #endif /* S_IFMT */
266 
267 #ifdef tower32
268 /* The header files lie; we really don't have symlinks */
269 # undef S_ISLNK
270 # undef S_IFLNK
271 #endif /* tower32 */
272 
273 #ifndef S_IREAD
274 # define S_IREAD 0000400
275 #endif /* S_IREAD */
276 #ifndef S_IROTH
277 # define S_IROTH (S_IREAD >> 6)
278 #endif /* S_IROTH */
279 #ifndef S_IRGRP
280 # define S_IRGRP (S_IREAD >> 3)
281 #endif /* S_IRGRP */
282 #ifndef S_IRUSR
283 # define S_IRUSR S_IREAD
284 #endif /* S_IRUSR */
285 
286 #ifndef S_IWRITE
287 # define S_IWRITE 0000200
288 #endif /* S_IWRITE */
289 #ifndef S_IWOTH
290 # define S_IWOTH (S_IWRITE >> 6)
291 #endif /* S_IWOTH */
292 #ifndef S_IWGRP
293 # define S_IWGRP (S_IWRITE >> 3)
294 #endif /* S_IWGRP */
295 #ifndef S_IWUSR
296 # define S_IWUSR S_IWRITE
297 #endif /* S_IWUSR */
298 
299 #ifndef S_IEXEC
300 # define S_IEXEC 0000100
301 #endif /* S_IEXEC */
302 #ifndef S_IXOTH
303 # define S_IXOTH (S_IEXEC >> 6)
304 #endif /* S_IXOTH */
305 #ifndef S_IXGRP
306 # define S_IXGRP (S_IEXEC >> 3)
307 #endif /* S_IXGRP */
308 #ifndef S_IXUSR
309 # define S_IXUSR S_IEXEC
310 #endif /* S_IXUSR */
311 
312 #ifndef S_ISUID
313 # define S_ISUID 0004000 	/* setuid */
314 #endif /* S_ISUID */
315 #ifndef S_ISGID
316 # define S_ISGID 0002000	/* setgid */
317 #endif /* S_ISGID */
318 #ifndef S_ISVTX
319 # define S_ISVTX 0001000	/* sticky */
320 #endif /* S_ISVTX */
321 #ifndef S_ENFMT
322 # define S_ENFMT S_ISGID	/* record locking enforcement flag */
323 #endif /* S_ENFMT */
324 
325 /* the following macros are for POSIX conformance */
326 #ifndef S_IRWXU
327 # define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
328 #endif /* S_IRWXU */
329 #ifndef S_IRWXG
330 # define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
331 #endif /* S_IRWXG */
332 #ifndef S_IRWXO
333 # define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
334 #endif /* S_IRWXO */
335 
336 /*
337  * Access()
338  */
339 #ifndef F_OK
340 # define F_OK 0
341 #endif /* F_OK */
342 #ifndef X_OK
343 # define X_OK 1
344 #endif /* X_OK */
345 #ifndef W_OK
346 # define W_OK 2
347 #endif /* W_OK */
348 #ifndef R_OK
349 # define R_OK 4
350 #endif /* R_OK */
351 
352 /*
353  * Open()
354  */
355 #ifndef O_RDONLY
356 # define O_RDONLY	0
357 #endif /* O_RDONLY */
358 #ifndef O_WRONLY
359 # define O_WRONLY	1
360 #endif /* O_WRONLY */
361 #ifndef O_RDWR
362 # define O_RDWR		2
363 #endif /* O_RDWR */
364 #ifndef O_TEMPORARY
365 # define O_TEMPORARY	0
366 #endif /* O_TEMPORARY */
367 #ifndef O_EXCL
368 # define O_EXCL		0
369 #endif /* O_EXCL */
370 #ifndef O_LARGEFILE
371 # define O_LARGEFILE	0
372 #endif /* O_LARGEFILE */
373 #ifndef O_CREAT
374 # define O_CREAT	0
375 #endif /* O_CREAT */
376 
377 /*
378  * Lseek()
379  */
380 #ifndef L_SET
381 # ifdef SEEK_SET
382 #  define L_SET		SEEK_SET
383 # else /* !SEEK_SET */
384 #  define L_SET		0
385 # endif	/* SEEK_SET */
386 #endif /* L_SET */
387 #ifndef L_INCR
388 # ifdef SEEK_CUR
389 #  define L_INCR	SEEK_CUR
390 # else /* !SEEK_CUR */
391 #  define L_INCR	1
392 # endif	/* SEEK_CUR */
393 #endif /* L_INCR */
394 #ifndef L_XTND
395 # ifdef SEEK_END
396 #  define L_XTND	SEEK_END
397 # else /* !SEEK_END */
398 #  define L_XTND	2
399 # endif /* SEEK_END */
400 #endif /* L_XTND */
401 
402 #if !defined (HAVE_SETPGID) && !defined (SETPGRP_VOID)
403 # define setpgid(pid, pgrp)	setpgrp(pid, pgrp)
404 #endif
405 
406 #if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS))
407 # define NEEDtcgetpgrp
408 #endif /* BSDJOBS && !(POSIX && POSIXJOBS) */
409 
410 #ifdef RENO
411 /*
412  * RENO has this broken. It is fixed on 4.4BSD
413  */
414 # define NEEDtcgetpgrp
415 #endif /* RENO */
416 
417 #ifdef SXA
418 # ifndef _BSDX_
419 /*
420  * Only needed in the system V environment.
421  */
422 #  define setrlimit 	bsd_setrlimit
423 #  define getrlimit	bsd_getrlimit
424 # endif	/* _BSDX_ */
425 #endif /* SXA */
426 
427 #if defined(_MINIX) || defined(__EMX__)
428 # define HAVENOLIMIT
429 /*
430  * Minix does not have these, so...
431  */
432 # define getpgrp		getpid
433 #endif /* _MINIX || __EMX__ */
434 
435 #ifdef __EMX__
436 /* XXX: How can we get the tty name in emx? */
437 # define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL)
438 #endif /* __EMX__ */
439 
440 #ifndef S_IFLNK
441 # define lstat stat
442 #endif /* S_IFLNK */
443 
444 
445 #if defined(BSDTIMES) && !defined(_SEQUENT_)
446 typedef struct timeval timeval_t;
447 #endif /* BSDTIMES && ! _SEQUENT_ */
448 
449 #ifdef NeXT
450 /*
451  * From Tony_Mason@transarc.com, override NeXT's malloc stuff.
452  */
453 # define malloc tcsh_malloc
454 # define calloc tcsh_calloc
455 # define realloc tcsh_realloc
456 # define free tcsh_free
457 #endif /* NeXT */
458 
459 #if defined(HAVE_GETHOSTNAME) && !HAVE_DECL_GETHOSTNAME
460 extern int gethostname (char *, int);
461 #endif
462 
463 #ifndef GETPGRP_VOID
464 # define mygetpgrp()    getpgrp(0)
465 #else
466 # define mygetpgrp()    getpgrp()
467 #endif
468 
469 #if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88)
470 extern time_t time();
471 extern char *getenv();
472 extern int atoi();
473 # ifndef __EMX__
474 extern char *ttyname();
475 # endif /* __EMX__ */
476 
477 
478 # if defined(SUNOS4)
479 #  ifndef toupper
480 extern int toupper (int);
481 #  endif /* toupper */
482 #  ifndef tolower
483 extern int tolower (int);
484 #  endif /* tolower */
485 extern caddr_t sbrk (int);
486 # else /* !SUNOS4 */
487 #  ifndef WINNT_NATIVE
488 #   ifdef hpux
489 extern void abort();
490 extern void qsort();
491 #   endif /* hpux */
492 #  endif /* !WINNT_NATIVE */
493 # endif	/* SUNOS4 */
494 #ifndef _CX_UX
495 extern void perror();
496 #endif
497 
498 # ifdef BSD
499 extern uid_t getuid(), geteuid();
500 extern gid_t getgid(), getegid();
501 # endif /* BSD */
502 
503 # ifdef SYSMALLOC
504 extern memalign_t malloc();
505 extern memalign_t realloc();
506 extern memalign_t calloc();
507 extern void free();
508 # endif	/* SYSMALLOC */
509 
510 # ifdef BSDJOBS
511 #  ifdef BSDTIMES
512 #   ifdef __MACHTEN__
513 extern pid_t wait3();
514 #   endif /* __MACHTEN__ */
515 #  endif /* BSDTIMES */
516 # endif	/* BSDJOBS */
517 
518 # if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1))
519 extern void setpwent();
520 extern void endpwent();
521 # endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */
522 
523 # ifndef __STDC__
524 extern struct passwd *getpwuid(), *getpwnam(), *getpwent();
525 #  ifdef HAVE_SHADOW_H
526 extern struct spwd *getspnam(), *getspent();
527 #  endif /* HAVE_SHADOW_H */
528 #  if defined(HAVE_AUTH_H) && defined(HAVE_GETAUTHUID)
529 extern struct authorization *getauthuid();
530 #  endif /* HAVE_AUTH_H && HAVE_GETAUTHUID */
531 # endif /* __STDC__ */
532 
533 # ifndef getcwd
534 extern char *getcwd();
535 # endif	/* getcwd */
536 
537 #else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */
538 
539 # if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA)
540 extern char *getvwd();
541 # endif	/* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */
542 
543 # ifdef SCO
544 extern char *ttyname();
545 # endif /* SCO */
546 
547 # ifdef __clipper__
548 extern char *ttyname();
549 # endif /* __clipper__ */
550 
551 #endif /* !POSIX || SUNOS4 || UTekV || sysV88 */
552 
553 #if defined(SUNOS4) && __GNUC__ == 2
554 /*
555  * Somehow these are missing
556  */
557 extern int ioctl (int, int, ...);
558 extern int readlink (const char *, char *, size_t);
559 extern void setgrent (void);
560 extern void endgrent (void);
561 # ifdef REMOTEHOST
562 #  ifndef _SOCKLEN_T	/* Avoid Solaris 2.7 bogosity. */
563 struct sockaddr;
564 extern int getpeername (int, struct sockaddr *, int *);
565 #  endif /* _SOCKLEN_T */
566 # endif /* REMOTEHOST */
567 #endif /* SUNOS4 && __GNUC__ == 2 */
568 
569 #if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4)
570 # if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
571 extern void bcopy	(const void *, void *, size_t);
572 #  define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a)
573 # endif /* __alpha && __osf__ && DECOSF1 < 200 */
574 #endif /* (BSD && !BSD4_4) || SUNOS4 */
575 
576 #ifdef SUNOS4
577 # include <memory.h>	/* memset should be declared in <string.h> but isn't */
578 #endif /* SUNOS4 */
579 
580 #if SYSVREL == 4
581 # ifdef REMOTEHOST
582 /* Irix6 defines getpeername(int, void *, int *) which conflicts with
583    the definition below. */
584 #  if !defined(__sgi) && !defined(_OSD_POSIX) && !defined(__MVS__)
585 #   ifndef _SOCKLEN_T	/* Avoid Solaris 2.7 bogosity. */
586 struct sockaddr;
587 extern int getpeername (int, struct sockaddr *, int *);
588 #   endif /* _SOCKLEN_T */
589 #  endif /* !__sgi && !_OSD_POSIX && !__MVS__ */
590 # endif /* REMOTEHOST */
591 # ifndef BSDTIMES
592 extern int getrlimit (int, struct rlimit *);
593 extern int setrlimit (int, const struct rlimit *);
594 # endif /* !BSDTIMES */
595 # if defined(SOLARIS2)
596 extern char *strerror (int);
597 # endif /* SOLARIS2 */
598 #endif /* SYSVREL == 4 */
599 
600 #if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
601 /* These are ok for 1.3, but conflict with the header files for 2.0 */
602 extern char *sbrk (ssize_t);
603 extern int ioctl (int, unsigned long, char *);
604 extern pid_t vfork (void);
605 extern int killpg (pid_t, int);
606 #endif /* __osf__ && __alpha && DECOSF1 < 200 */
607 
608 #ifndef va_copy
609 # ifdef __va_copy
610 #  define va_copy(DEST, SRC) __va_copy(DEST, SRC)
611 # else
612 #  define va_copy(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof(va_list))
613 # endif
614 #endif
615 
616 #if defined(__CYGWIN__) && !defined(NO_CRYPT)
617 extern char *cygwin_xcrypt(struct passwd *, const char *, const char *);
618 #endif /* __CYGWIN__ && !NO_CRYPT */
619 
620 #endif /* _h_tc_os */
621