238 lines
6.9 KiB
Plaintext
238 lines
6.9 KiB
Plaintext
/* generic.h -- anything you don't #undef at the end remains in effect.
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The ONLY things that go in here are generic indicator flags; it's up
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to your programs to declare and call things based on those flags.
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You should only need to make changes via a minimal system-specific section
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at the end of this file. To build a new section, rip through this and
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check everything it mentions on your platform, and #undef that which needs
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it. If you generate a system-specific section you didn't find in here,
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please mail me a copy so I can update the "master".
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I realize I'm probably inventing another pseudo-standard here, but
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goddamnit, everybody ELSE has already, and I can't include all of their
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hairball schemes too. HAVE_xx conforms to the gnu/autoconf usage and
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seems to be the most common format. In fact, I dug a lot of these out
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of autoconf and tried to common them all together using "stupidh" to
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collect data from platforms.
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In disgust... _H* 940910, 941115. Pseudo-version: 1.1 */
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#ifndef GENERIC_H /* only run through this once */
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#define GENERIC_H
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/* =============================== */
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/* System calls, lib routines, etc */
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/* =============================== */
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/* How does your system declare malloc, void or char? Usually void, but go
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ask the SunOS people why they had to be different... */
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#define VOID_MALLOC
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/* notably from fwtk/firewall.h: posix locking? */
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#define HAVE_FLOCK /* otherwise it's lockf() */
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/* if you don't have setsid(), you might have setpgrp().
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#define HAVE_SETSID
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/* random() is generally considered better than rand() */
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/* xxx: rand48? */
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#define HAVE_RANDOM
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/* if your machine doesn't have lstat(), it should have stat() [dos...] */
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#define HAVE_LSTAT
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/* different kinds of term ioctls. How to recognize them, very roughly:
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sysv/POSIX_ME_HARDER: termio[s].h, struct termio[s], tty.c_*[]
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bsd/old stuff: sgtty.h, ioctl(TIOCSETP), sgttyb.sg_*, tchars.t_*
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#define HAVE_TERMIOS
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/* dbm vs ndbm */
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#define HAVE_NDBM
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/* extended utmp/wtmp stuff. MOST machines still do NOT have this SV-ism */
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#define UTMPX
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/* some systems have nice() which takes *relative* values... [resource.h] */
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#define HAVE_SETPRIORITY
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/* a sysvism, I think, but ... */
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#define HAVE_SYSINFO
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/* punted for now: setown / siocspgrp ... see firewall.h */
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/* ============= */
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/* Include files */
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/* ============= */
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/* Presence of these can be determined via a script that sniffs them
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out if you aren't sure. */
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/* stdlib comes with most modern compilers, but ya never know */
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#define HAVE_STDLIB_H
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/* not on a DOS box! */
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#define HAVE_UNISTD_H
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/* stdarg is a weird one */
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#define HAVE_STDARG_H
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/* dir.h or maybe ndir.h otherwise. */
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#define HAVE_DIRENT_H
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/* string or strings */
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#define HAVE_STRINGS_H
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/* if you don't have lastlog.h, what you want might be in login.h */
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#define HAVE_LASTLOG_H
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/* predefines for _PATH_various */
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#define HAVE_PATHS_H
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/* assorted others */
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#define HAVE_PARAM_H
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#define HAVE_SYSMACROS_H /* in sys/! */
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#define HAVE_TTYENT_H /* securetty et al */
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/* ==================== */
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/* Still maybe have to do something about the following, if it's even
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worth it. I just grepped a lot of these out of various code, without
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looking them up yet:
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#define HAVE_EINPROGRESS
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#define HAVE_F_SETOWN
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#define HAVE_SETENV ... now *there's* a hairy one; **environ is portable
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#define BIG_ENDIAN/little_endian ... *please* try to avoid this stupidity
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#define HAVE_GETUSERSHELL ... you could always pull it out of getpwent()
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#define HAVE_SETE[UG]ID ... lib or syscall, it varies on diff platforms
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#define HAVE_STRCHR ... should actually be handled by string/strings
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#define HAVE_PSTAT
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#define HAVE_ST_BLKSIZE ... a stat() thing?
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#define HAVE_IP_TOS
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#define HAVE_STRFTIME ... screw this, we should just INCLUDE one for lame
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old boxes that don't have it [sunos 3.x, early 4.x?]
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#define HAVE_VFPRINTF
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#define HAVE_SHADOW_PASSWD ... in its multitudinous schemes?? ... how
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about sumpin' like #define SHADOW_PASSWD_TYPE ... could get grody.
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#define SIG* ... what a swamp, punt for now; should all be in signal.h
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#define HAVE_STRCSPN ... see larry wall's comment in the fwtk regex code
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#define ULTRIX_AUTH ... bwahaha.
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#define HAVE_YP or NIS or whatever you wanna call it this week
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randomness about VARARGS??
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There's also the issue about WHERE various .h files live, sys/ or otherwise.
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There's a BIG swamp lurking where network code of any sort lives.
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*/
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/* ======================== */
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/* System-specific sections */
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/* ======================== */
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/* By turning OFF various bits of the above, you can customize for
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a given platform. /*
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/* DOS boxes, with MSC; you may need to adapt to a different compiler. */
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#ifdef MSDOS
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#undef HAVE_FLOCK
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#undef HAVE_RANDOM
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#undef HAVE_LSTAT
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#undef HAVE_TERMIOS
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#undef UTMPX
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#undef HAVE_SYSINFO
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#undef HAVE_UNISTD_H
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#undef HAVE_DIRENT_H /* unless you have the k00l little wrapper from L5!! */
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#undef HAVE_STRINGS_H
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#undef HAVE_LASTLOG_H
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#undef HAVE_PATHS_H
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#undef HAVE_PARAM_H
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#undef HAVE_SYSMACROS_H
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#undef HAVE_TTYENT_H
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#endif /* MSDOS */
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/* buglix 4.x; dunno about 3.x on down. should be bsd4.2. */
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#ifdef ULTRIX
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#undef UTMPX
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#undef HAVE_PATHS_H
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#undef HAVE_SYSMACROS_H
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#endif /* buglix */
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/* some of this might still be broken on older sunoses */
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#ifdef SUNOS
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#undef VOID_MALLOC
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#undef UTMPX
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#undef HAVE_PATHS_H
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#endif /* sunos */
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/* "contact your vendor for a fix" */
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#ifdef SOLARIS
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/* has UTMPX */
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#undef HAVE_SETPRIORITY
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#undef HAVE_STRINGS_H /* this is genuinely the case, go figure */
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#undef HAVE_PATHS_H
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#undef HAVE_TTYENT_H
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#endif /* SOLARIS */
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/* whatever aix variant MIT had at the time */
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#ifdef AIX
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#undef UTMPX
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#undef HAVE_LASTLOG_H
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#define HAVE_LOGIN_H /* "special", in the educational sense */
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#endif /* aix */
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/* linux, which is trying as desperately as the gnu folks can to be
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POSIXLY_CORRECT. I think I'm gonna hurl... */
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#ifdef LINUX
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#undef UTMPX
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#undef HAVE_SYSINFO
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#undef HAVE_TTYENT_H
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#endif /* linux */
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/* irix 5.x; may not be correct for earlier ones */
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#ifdef IRIX
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/* wow, does irix really have everything?! */
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#endif /* irix */
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/* osf on alphas */
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#ifdef OSF
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#undef UTMPX
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#endif /* osf */
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/* they's some FUCKED UP paths in this one! */
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#ifdef FREEBSD
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#undef UTMPX
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#undef HAVE_SYSINFO
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#undef HAVE_LASTLOG_H
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#undef HAVE_SYSMACROS_H
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#endif /* freebsd */
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/* From the sidewinder site, of all places; may be unreliable */
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#ifdef BSDI
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#undef UTMPX
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#undef HAVE_LASTLOG_H
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#undef HAVE_SYSMACROS_H
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#undef HAVE_TTYENT_H
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/* and their malloc.h was in sys/ ?! */
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#endif /* bsdi */
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/* netbsd/44lite, jives with amiga-netbsd from cactus */
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#ifdef NETBSD
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#undef UTMPX
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#undef HAVE_SYSINFO
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#undef HAVE_LASTLOG_H
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#endif /* netbsd */
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/* Make some "generic" assumptions if all else fails */
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#ifdef GENERIC
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#undef HAVE_FLOCK
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#if defined(SYSV) && (SYSV < 4) /* TW leftover: old SV doesnt have symlinks */
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#undef HAVE_LSTAT
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#endif /* old SYSV */
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#undef HAVE_TERMIOS
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#undef UTMPX
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#undef HAVE_PATHS_H
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#endif /* generic */
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/* ================ */
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#endif /* GENERIC_H */
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