/*-

  * © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

  * © Portions copyright (c) 2006 Symbian Software Ltd. All rights reserved.

  * Copyright (c) 1991, 1993, 1994

  *	The Regents of the University of California.  All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 1. Redistributions of source code must retain the above copyright

  *    notice, this list of conditions and the following disclaimer.

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in the

  *    documentation and/or other materials provided with the distribution.

  * 4. Neither the name of the University nor the names of its contributors

  *    may be used to endorse or promote products derived from this software

  *    without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  * SUCH DAMAGE.

  * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.

  *	@(#)unistd.h	8.12 (Berkeley) 4/27/95

  * $FreeBSD: src/include/unistd.h,v 1.78 2005/05/13 16:27:30 delphij Exp $

  */

 #ifndef _UNISTD_H_

 #define	_UNISTD_H_

 //---

 #ifdef __cplusplus

 #include <e32def.h>

 extern "C" {

 #endif

 //---

 #include <sys/cdefs.h>

 #include <sys/types.h>			/* XXX adds too much pollution. */

 #include <sys/unistd.h>

 #include <sys/_null.h>

 #include <sys/_types.h>

 #ifdef __SYMBIAN32__

 #include <_ansi.h>

 #endif //__SYMBIAN32__

 #ifdef __SYMBIAN32__

 __BEGIN_DECLS

 IMPORT_C char ***__environ(void);

 __END_DECLS

 #define environ	  (*__environ())

 #endif //__SYMBIAN32__

 #ifndef _GID_T_DECLARED

 typedef	__gid_t		gid_t;

 #define	_GID_T_DECLARED

 #endif

 #ifndef _OFF_T_DECLARED

 typedef	__off_t		off_t;

 #define	_OFF_T_DECLARED

 #endif

 #ifndef _PID_T_DECLARED

 typedef	__pid_t		pid_t;

 #define	_PID_T_DECLARED

 #endif

 #ifndef _SIZE_T_DECLARED

 typedef	__size_t	size_t;

 #define	_SIZE_T_DECLARED

 #endif

 #ifndef _SSIZE_T_DECLARED

 typedef	__ssize_t	ssize_t;

 #define	_SSIZE_T_DECLARED

 #endif

 #ifndef _UID_T_DECLARED

 typedef	__uid_t		uid_t;

 #define	_UID_T_DECLARED

 #endif

 #ifndef _USECONDS_T_DECLARED

 typedef	__useconds_t	useconds_t;

 #define	_USECONDS_T_DECLARED

 #endif

 #define	 STDIN_FILENO	0	/* standard input file descriptor */

 #define	STDOUT_FILENO	1	/* standard output file descriptor */

 #define	STDERR_FILENO	2	/* standard error file descriptor */

 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112

 #define	F_ULOCK		0	/* unlock locked section */

 #define	F_LOCK		1	/* lock a section for exclusive use */

 #define	F_TLOCK		2	/* test and lock a section for exclusive use */

 #define	F_TEST		3	/* test a section for locks by other procs */

 #endif

 /*

  * POSIX options and option groups we unconditionally do or don't

  * implement.  This list includes those options which are exclusively

  * implemented (or not) in user mode.  Please keep this list in

  * alphabetical order.

  *

  * Anything which is defined as zero below **must** have an

  * implementation for the corresponding sysconf() which is able to

  * determine conclusively whether or not the feature is supported.

  * Anything which is defined as other than -1 below **must** have

  * complete headers, types, and function declarations as specified by

  * the POSIX standard; however, if the relevant sysconf() function

  * returns -1, the functions may be stubbed out.

  */

 #define	_POSIX_BARRIERS			-1

 #define	_POSIX_READER_WRITER_LOCKS -1	

 #define	_POSIX_REGEXP			1

 #define	_POSIX_SHELL			1

 #define	_POSIX_SPAWN			-1

 #define	_POSIX_SPIN_LOCKS		-1

 #define	_POSIX_THREAD_ATTR_STACKADDR -1	

 #define	_POSIX_THREAD_ATTR_STACKSIZE	200112L

 #define	_POSIX_THREAD_CPUTIME		-1

 #define	_POSIX_THREAD_PRIO_INHERIT -1	

 #define	_POSIX_THREAD_PRIO_PROTECT -1	

 #define	_POSIX_THREAD_PRIORITY_SCHEDULING 200112L

 #define	_POSIX_THREAD_PROCESS_SHARED	-1

 #define	_POSIX_THREAD_SAFE_FUNCTIONS	200112L

 #define	_POSIX_THREAD_SPORADIC_SERVER	-1

 #define	_POSIX_THREADS			200112L

 #define	_POSIX_TRACE			-1

 #define	_POSIX_TRACE_EVENT_FILTER	-1

 #define	_POSIX_TRACE_INHERIT		-1

 #define	_POSIX_TRACE_LOG		-1

 #define	_POSIX2_C_BIND			200112L	/* mandatory */

 #define	_POSIX2_C_DEV			-1 /* need c99 utility */

 #define	_POSIX2_CHAR_TERM		1

 #define	_POSIX2_FORT_DEV		-1 /* need fort77 utility */

 #define	_POSIX2_FORT_RUN		200112L

 #define	_POSIX2_LOCALEDEF		-1

 #define	_POSIX2_PBS			-1

 #define	_POSIX2_PBS_ACCOUNTING		-1

 #define	_POSIX2_PBS_CHECKPOINT		-1

 #define	_POSIX2_PBS_LOCATE		-1

 #define	_POSIX2_PBS_MESSAGE		-1

 #define	_POSIX2_PBS_TRACK		-1

 #define	_POSIX2_SW_DEV			-1 /* XXX ??? */

 #define	_POSIX2_UPE			200112L

 #define	_V6_ILP32_OFF32			-1

 #define	_V6_ILP32_OFFBIG		0

 #define	_V6_LP64_OFF64			0

 #define	_V6_LPBIG_OFFBIG		-1

 #if __XSI_VISIBLE

 #define	_XOPEN_CRYPT			-1 /* XXX ??? */

 #define	_XOPEN_ENH_I18N			-1 /* mandatory in XSI */

 #define	_XOPEN_LEGACY			-1

 #define	_XOPEN_REALTIME			-1

 #define	_XOPEN_REALTIME_THREADS		-1

 #define	_XOPEN_UNIX			-1

 #endif

 /* Define the POSIX.2 version we target for compliance. */

 #define	_POSIX2_VERSION		199212L

 /*

  * POSIX-style system configuration variable accessors (for the

  * sysconf function).  The kernel does not directly implement the

  * sysconf() interface; rather, a C library stub translates references

  * to sysconf() into calls to sysctl() using a giant switch statement.

  * Those that are marked `user' are implemented entirely in the C

  * library and never query the kernel.  pathconf() is implemented

  * directly by the kernel so those are not defined here.

  */

 #define	_SC_ARG_MAX		 1

 #define	_SC_CHILD_MAX		 2

 #define	_SC_CLK_TCK		 3

 #define	_SC_NGROUPS_MAX		 4

 #define	_SC_OPEN_MAX		 5

 #define	_SC_JOB_CONTROL		 6

 #define	_SC_SAVED_IDS		 7

 #define	_SC_VERSION		 8

 #define	_SC_BC_BASE_MAX		 9 /* user */

 #define	_SC_BC_DIM_MAX		10 /* user */

 #define	_SC_BC_SCALE_MAX	11 /* user */

 #define	_SC_BC_STRING_MAX	12 /* user */

 #define	_SC_COLL_WEIGHTS_MAX	13 /* user */

 #define	_SC_EXPR_NEST_MAX	14 /* user */

 #define	_SC_LINE_MAX		15 /* user */

 #define	_SC_RE_DUP_MAX		16 /* user */

 #define	_SC_2_VERSION		17 /* user */

 #define	_SC_2_C_BIND		18 /* user */

 #define	_SC_2_C_DEV		19 /* user */

 #define	_SC_2_CHAR_TERM		20 /* user */

 #define	_SC_2_FORT_DEV		21 /* user */

 #define	_SC_2_FORT_RUN		22 /* user */

 #define	_SC_2_LOCALEDEF		23 /* user */

 #define	_SC_2_SW_DEV		24 /* user */

 #define	_SC_2_UPE		25 /* user */

 #define	_SC_STREAM_MAX		26 /* user */

 #define	_SC_TZNAME_MAX		27 /* user */

 #if __POSIX_VISIBLE >= 199309

 #define	_SC_ASYNCHRONOUS_IO	28

 #define	_SC_MAPPED_FILES	29

 #define	_SC_MEMLOCK		30

 #define	_SC_MEMLOCK_RANGE	31

 #define	_SC_MEMORY_PROTECTION	32

 #define	_SC_MESSAGE_PASSING	33

 #define	_SC_PRIORITIZED_IO	34

 #define	_SC_PRIORITY_SCHEDULING	35

 #define	_SC_REALTIME_SIGNALS	36

 #define	_SC_SEMAPHORES		37

 #define	_SC_FSYNC		38

 #define	_SC_SHARED_MEMORY_OBJECTS 39

 #define	_SC_SYNCHRONIZED_IO	40

 #define	_SC_TIMERS		41

 #define	_SC_AIO_LISTIO_MAX	42

 #define	_SC_AIO_MAX		43

 #define	_SC_AIO_PRIO_DELTA_MAX	44

 #define	_SC_DELAYTIMER_MAX	45

 #define	_SC_MQ_OPEN_MAX		46

 #define	_SC_PAGESIZE		47

 #define	_SC_RTSIG_MAX		48

 #define	_SC_SEM_NSEMS_MAX	49

 #define	_SC_SEM_VALUE_MAX	50

 #define	_SC_SIGQUEUE_MAX	51

 #define	_SC_TIMER_MAX		52

 #endif

 #if __POSIX_VISIBLE >= 200112

 #define	_SC_2_PBS		59 /* user */

 #define	_SC_2_PBS_ACCOUNTING	60 /* user */

 #define	_SC_2_PBS_CHECKPOINT	61 /* user */

 #define	_SC_2_PBS_LOCATE	62 /* user */

 #define	_SC_2_PBS_MESSAGE	63 /* user */

 #define	_SC_2_PBS_TRACK		64 /* user */

 #define	_SC_ADVISORY_INFO	65

 #define	_SC_BARRIERS		66 /* user */

 #define	_SC_CLOCK_SELECTION	67

 #define	_SC_CPUTIME		68

 #define	_SC_FILE_LOCKING	69

 #define	_SC_GETGR_R_SIZE_MAX	70 /* user */

 #define	_SC_GETPW_R_SIZE_MAX	71 /* user */

 #define	_SC_HOST_NAME_MAX	72

 #define	_SC_LOGIN_NAME_MAX	73

 #define	_SC_MONOTONIC_CLOCK	74

 #define	_SC_MQ_PRIO_MAX		75

 #define	_SC_READER_WRITER_LOCKS	76 /* user */

 #define	_SC_REGEXP		77 /* user */

 #define	_SC_SHELL		78 /* user */

 #define	_SC_SPAWN		79 /* user */

 #define	_SC_SPIN_LOCKS		80 /* user */

 #define	_SC_SPORADIC_SERVER	81

 #define	_SC_THREAD_ATTR_STACKADDR 82 /* user */

 #define	_SC_THREAD_ATTR_STACKSIZE 83 /* user */

 #define	_SC_THREAD_CPUTIME	84 /* user */

 #define	_SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */

 #define	_SC_THREAD_KEYS_MAX	86 /* user */

 #define	_SC_THREAD_PRIO_INHERIT	87 /* user */

 #define	_SC_THREAD_PRIO_PROTECT	88 /* user */

 #define	_SC_THREAD_PRIORITY_SCHEDULING 89 /* user */

 #define	_SC_THREAD_PROCESS_SHARED 90 /* user */

 #define	_SC_THREAD_SAFE_FUNCTIONS 91 /* user */

 #define	_SC_THREAD_SPORADIC_SERVER 92 /* user */

 #define	_SC_THREAD_STACK_MIN	93 /* user */

 #define	_SC_THREAD_THREADS_MAX	94 /* user */

 #define	_SC_TIMEOUTS		95 /* user */

 #define	_SC_THREADS		96 /* user */

 #define	_SC_TRACE		97 /* user */

 #define	_SC_TRACE_EVENT_FILTER	98 /* user */

 #define	_SC_TRACE_INHERIT	99 /* user */

 #define	_SC_TRACE_LOG		100 /* user */

 #define	_SC_TTY_NAME_MAX	101 /* user */

 #define	_SC_TYPED_MEMORY_OBJECTS 102

 #define	_SC_V6_ILP32_OFF32	103 /* user */

 #define	_SC_V6_ILP32_OFFBIG	104 /* user */

 #define	_SC_V6_LP64_OFF64	105 /* user */

 #define	_SC_V6_LPBIG_OFFBIG	106 /* user */

 #define	_SC_IPV6		118

 #define	_SC_RAW_SOCKETS		119

 #define	_SC_SYMLOOP_MAX		120

 #endif

 #if __XSI_VISIBLE

 #define	_SC_ATEXIT_MAX		107 /* user */

 #define	_SC_IOV_MAX		56

 #define	_SC_PAGE_SIZE		_SC_PAGESIZE

 #define	_SC_XOPEN_CRYPT		108 /* user */

 #define	_SC_XOPEN_ENH_I18N	109 /* user */

 #define	_SC_XOPEN_LEGACY	110 /* user */

 #define	_SC_XOPEN_REALTIME	111

 #define	_SC_XOPEN_REALTIME_THREADS 112

 #define	_SC_XOPEN_SHM		113

 #define	_SC_XOPEN_STREAMS	114

 #define	_SC_XOPEN_UNIX		115

 #define	_SC_XOPEN_VERSION	116

 #define	_SC_XOPEN_XCU_VERSION	117 /* user */

 #endif

 #if __BSD_VISIBLE

 #define	_SC_NPROCESSORS_CONF	57

 #define	_SC_NPROCESSORS_ONLN	58

 #endif

 /* Keys for the confstr(3) function. */

 #if __POSIX_VISIBLE >= 199209

 #define	_CS_PATH		1	/* default value of PATH */

 #endif

 #if __POSIX_VISIBLE >= 200112

 #define	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		2

 #define	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	3

 #define	_CS_POSIX_V6_ILP32_OFF32_LIBS		4

 #define	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	5

 #define	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	6

 #define	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		7

 #define	_CS_POSIX_V6_LP64_OFF64_CFLAGS		8

 #define	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		9

 #define	_CS_POSIX_V6_LP64_OFF64_LIBS		10

 #define	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	11

 #define	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	12

 #define	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		13

 #define	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	14

 #endif

 __BEGIN_DECLS

 /* 1003.1-1990 */

 IMPORT_C void	 _exit(int) __dead2;

 IMPORT_C int	 access(const char *, int);

 IMPORT_C int	 chdir(const char *);

 IMPORT_C int	 chown(const char *, uid_t, gid_t);

 IMPORT_C int	 close(int);

 IMPORT_C int	 dup(int);

 IMPORT_C int	 dup2(int, int);

 int	 eaccess(const char *, int);

 IMPORT_C long	 fpathconf(int, int);

 IMPORT_C char	*getcwd(char *, size_t);

 IMPORT_C gid_t	 getegid(void);

 IMPORT_C uid_t	 geteuid(void);

 IMPORT_C gid_t	 getgid(void);

 IMPORT_C int	 getgroups(int, gid_t []);

 char	*getlogin(void);

 IMPORT_C pid_t	 getpgrp(void);

 IMPORT_C pid_t	 getpid(void);

 IMPORT_C pid_t	 getppid(void);

 IMPORT_C uid_t	 getuid(void);

 IMPORT_C int	 isatty(int);

 IMPORT_C int	 link(const char *, const char *);

 #ifndef _LSEEK_DECLARED

 #define	_LSEEK_DECLARED

 IMPORT_C off_t	 lseek(int, off_t, int);

 #endif

 IMPORT_C long	 pathconf(const char *, int);

 IMPORT_C int pipe(int *);

 IMPORT_C ssize_t	 read(int, void *, size_t);

 IMPORT_C int	 rmdir(const char *);

 IMPORT_C int	 setgid(gid_t);

 IMPORT_C int	 setpgid(pid_t, pid_t);

 void	 setproctitle(const char *_fmt, ...) __printf0like(1, 2);

 IMPORT_C pid_t	 setsid(void);

 IMPORT_C int	 setuid(uid_t);

 IMPORT_C unsigned int	 sleep(unsigned int);

 IMPORT_C 

 long	 sysconf(int);

 IMPORT_C int	 unlink(const char *);

 IMPORT_C ssize_t	 write(int, const void *, size_t);

 /* 1003.2-1992 */

 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE

 IMPORT_C size_t	 confstr(int, char *, size_t);

 #ifndef _GETOPT_DECLARED

 #define	_GETOPT_DECLARED

 IMPORT_C int	 getopt(int, char * const [], const char *);

 #ifndef __SYMBIAN32__

 extern char *optarg;			/* getopt(3) external variables */

 extern int optind, opterr, optopt;

 #else

 IMPORT_C int *__optopt(void);

 IMPORT_C int *__opterr(void);

 IMPORT_C int *__optind(void);

 IMPORT_C char **__optarg(void);

 #define optopt	  (*__optopt())

 #define opterr	  (*__opterr())

 #define optind	  (*__optind())

 #define optarg	  (*__optarg())

 #endif /* __SYMBIAN32__ */

 #endif /* _GETOPT_DECLARED */

 #endif

 /* ISO/IEC 9945-1: 1996 */

 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE

 IMPORT_C int	 fsync(int);

 IMPORT_C int fdatasync(int);

 /*

  * ftruncate() was in the POSIX Realtime Extension (it's used for shared

  * memory), but truncate() was not.

  */

 #ifndef _FTRUNCATE_DECLARED

 #define	_FTRUNCATE_DECLARED

 IMPORT_C int	 ftruncate(int, off_t);

 #endif

 #endif

 #if __POSIX_VISIBLE >= 199506

 #ifndef __SYMBIAN32__

 int	 getlogin_r(char *, int);

 #endif //__SYMBIAN32__

 #endif

 /* 1003.1-2001 */

 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE

 IMPORT_C int	 readlink(const char *, char *, int);

 #endif

 #if __POSIX_VISIBLE >= 200112

 IMPORT_C int	 gethostname(char *, size_t);

 IMPORT_C int	 setegid(gid_t);

 IMPORT_C int	 seteuid(uid_t);

 #endif

 /*

  * symlink() was originally in POSIX.1a, which was withdrawn after

  * being overtaken by events (1003.1-2001).  It was in XPG4.2, and of

  * course has been in BSD since 4.2.

  */

 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE

 IMPORT_C int	 symlink(const char * __restrict, const char * __restrict);

 #endif

 /* X/Open System Interfaces */

 #if __XSI_VISIBLE

 char	*crypt(const char *, const char *);

 /* char	*ctermid(char *); */		/* XXX ??? */

 int	 encrypt(char *, int);

 IMPORT_C int	 fchdir(int);

 IMPORT_C int	 getpgid(pid_t _pid);

 IMPORT_C int	 lchown(const char *, uid_t, gid_t);

 IMPORT_C int	 nice(int);

 IMPORT_C int	 setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */

 IMPORT_C int	 setregid(gid_t, gid_t);

 IMPORT_C int	 setreuid(uid_t, uid_t);

 #ifndef _SWAB_DECLARED

 #define _SWAB_DECLARED

 IMPORT_C 

 void	 swab(const void * __restrict, void * __restrict, ssize_t);

 #endif /* _SWAB_DECLARED */

 void	 sync(void);

 IMPORT_C int	 usleep(useconds_t);

 /* See comment at ftruncate() above. */

 #ifndef _TRUNCATE_DECLARED

 #define	_TRUNCATE_DECLARED

 IMPORT_C int	 truncate(const char *, off_t);

 #endif

 #endif /* __XSI_VISIBLE */

 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE

 IMPORT_C int	 brk(const void *);

 IMPORT_C int	 getdtablesize(void);

 IMPORT_C int	 getpagesize(void) __pure2;

 #endif

 #if __BSD_VISIBLE

 struct timeval;				/* select(2) */

 IMPORT_C int	 initgroups(const char *, gid_t);

 IMPORT_C int	 issetugid(void);

 #ifdef __SYMBIAN_COMPILE_UNUSED__

 char	*mkdtemp(char *);

 #endif

 #ifndef	_MKNOD_DECLARED

 int	 mknod(const char *, mode_t, dev_t);

 #define	_MKNOD_DECLARED

 #endif

 #ifndef _MKSTEMP_DECLARED

 IMPORT_C int	 mkstemp(char *);

 #define	_MKSTEMP_DECLARED

 #endif

 #ifdef __SYMBIAN_COMPILE_UNUSED__

 int	 mkstemps(char *, int);

 #endif

 #ifndef _MKTEMP_DECLARED

 #ifdef __SYMBIAN_COMPILE_UNUSED__

 char	*mktemp(char *);

 #endif

 #define	_MKTEMP_DECLARED

 #endif

 int	 nfssvc(int, void *);

 #if __BSD_VISIBLE

 #ifndef __SYMBIAN32__

 #ifndef _SELECT_DECLARED

 #define	_SELECT_DECLARED

 IMPORT_C int	 select(int, fd_set *, fd_set *, fd_set *, struct timeval *);

 #endif // _SELECT_DECLARED

 #endif // __SYMBIAN32__

 #endif // __BSD_VISIBLE

 IMPORT_C int	 setgroups(int, const gid_t *);

 #ifndef _SETKEY_DECLARED

 int	 setkey(const char *);

 #define	_SETKEY_DECLARED

 #endif

 #ifndef _OPTRESET_DECLARED

 #define	_OPTRESET_DECLARED

 #ifndef __SYMBIAN32__

 extern int optreset;			/* getopt(3) external variable */

 #else

 IMPORT_C int *__optreset(void);

 #define optreset  (*__optreset())

 #endif /* __SYMBIAN32__ */

 #ifdef __SYMBIAN32__

 #ifndef __XSI_VISIBLE

 void encrypt(char block[], int edflag);

 char *crypt(const char *key, const char *salt);

 #endif /* ifdef __SYMBIAN32__ */

 #endif /* ifndef __XSI_VISIBLE */

 #endif /* _OPTRESET_DECLARED */

 #endif /* __BSD_VISIBLE */

 __END_DECLS

 //---

 #ifdef __cplusplus

 }

 #endif

 //---

 #endif /* !_UNISTD_H_ */