MODULE LinLibc ["libc.so.66.0"];

	(*
		A. V. Shiryaev, 2012.11

		Based on Linux' LinLibc (OpenBUGS Lin/Mod/Libc.odc)

		OpenBSD 5.2
		32-bit
	*)

	IMPORT SYSTEM;

	CONST
		NULL* = 0H;
		TRUE* = 1;
		FALSE* = 0;

		(* file constants *)
		SEEK_SET* = 0;
		SEEK_CUR* = 1;
		SEEK_END* = 2;
		NAME_MAX* = 255; (* OpenBSD /usr/include/sys/syslimits.h *)

		(* The value of CLOCKS_PER_SEC is required to be 1 million on all   XSI-conformant systems.*)
		CLOCKS_PER_SEC* = 100; (* OpenBSD 5.2 /usr/include/time.h CLOCKS_PER_SEC *)

		(* temp directory defined in stdio.h *)
		P_tmpdir* = "/tmp";

		(* signal constants *)	(* Fake signal functions.  *)
		(* OpenBSD 5.2 /usr/include/sys/signal.h *)
		SIG_ERR* = -1; 	(* Error return.  *)
		SIG_DFL* = 0;   	(* Default action.  *)
		SIG_IGN* = 1;    	(* Ignore signal.  *)
		SIG_HOLD* = 3;	(* Add signal to hold mask.  *) (* OpenBSD 5.2 /usr/include/sys/signalvar.h *)

		(* Signals. *)
		(* OpenBSD /usr/include/sys/signal.h *)
%%defs-signal%%
		(* Bits in `sa_flags'. *)
%%defs-sa%%
		(* Some aliases for the SA_ constants.  *)
(*
		SA_NOMASK* = SA_NODEFER;
		SA_ONESHOT* = SA_RESETHAND;
		SA_STACK* = SA_ONSTACK;
*)

		(* code values for siginfo_t.si_code *) 
		(* OpenBSD /usr/include/sys/siginfo.h *)
%%defs-siginfo1%%

		(* possible error constants for errno *)
		(* /usr/include/sys/errno.h *)
%%defs-errno%%

		(* OpenBSD 5.2 /usr/include/i386/setjmp.h *)
		_JBLEN = 10;

		(* OpenBSD 5.2 /usr/include/sys/mman.h *)
		MAP_FAILED* = -1;
%%defs-mman%%

		(* OpenBSD 5.2 /usr/include/i386/param.h *)
		PAGE_SHIFT* = 12;
		PAGE_SIZE* = 4096; (* LSL(1, PAGE_SHIFT) *)
		PAGE_MASK* = PAGE_SIZE - 1;

		(* OpenBSD 5.2: /usr/include/fcntl.h *)
%%defs-fcntl%%

		(* OpenBSD 5.2 /usr/include/unistd.h *)
%%defs-sc%%

		(* OpenBSD 5.2 /usr/include/sys/mman.h *)
%%defs-madv%%
		MADV_NORMAL* = POSIX_MADV_NORMAL;
		MADV_RANDOM* = POSIX_MADV_RANDOM;
		MADV_SEQUENTIAL* = POSIX_MADV_SEQUENTIAL;
		MADV_WILLNEED* = POSIX_MADV_WILLNEED;
		MADV_DONTNEED* = POSIX_MADV_DONTNEED;

		(* OpenBSD 5.2 /usr/include/sys/signal.h *)
		MINSIGSTKSZ* = 8192; (* minimum allowable stack *)
		SIGSTKSZ* = MINSIGSTKSZ + 32768; (* recommended stack size *)

		(* OpenBSD 5.2 /usr/include/sys/signal.h *)
%%defs-sig%%

	TYPE
		(* OpenBSD OK *)
		__ftw_func_t* = PROCEDURE (fileName: PtrSTR; VAR [nil] stat: stat_t; flag: INTEGER): INTEGER; (* OpenBSD 5.2: OK *)
		PtrVoid* = INTEGER;
		PtrSTR* = POINTER TO ARRAY [untagged] OF SHORTCHAR;
		(* PtrWSTR* = POINTER TO ARRAY [untagged] OF CHAR; *)
		PtrInt* = INTEGER;
		StrArray* = POINTER TO ARRAY [untagged] OF PtrSTR;
		PtrFILE* = INTEGER;
		PtrDIR* = INTEGER;
		PtrProc* = INTEGER;
		clock_t* = INTEGER; (* OpenBSD 5.2 /usr/include/i386/_types.h: 32-bit *)

		(* jmp_buf* = ARRAY [untagged] 6 OF INTEGER; (* bx, si, di, bp, sp, pc *) *)
		jmp_buf* = ARRAY [untagged] _JBLEN OF INTEGER; (* OpenBSD 5.2 *)

		mode_t* = SET; (* OpenBSD 5.2: 32-bit *)
		off_t* = LONGINT; (* OpenBSD 5.2: 64-bit *)

		SelectorFunc* = PROCEDURE (dirent: Dirent): INTEGER; (* OpenBSD 5.2: OK *)
		CmpFunc* = PROCEDURE (VAR [nil] dirent1, dirent2: PtrDirent): INTEGER; (* OpenBSD 5.2: OK *)

		size_t* = INTEGER; (* should be unsigned int *) (* OpenBSD 5.2: /usr/include/i386/_types.h: 32-bit *)
		ssize_t* = INTEGER; (* signed int *) (* OpenBSD 5.2: /usr/include/i386/_types.h: 32-bit *)

		sigjmp_buf* = RECORD [untagged] (* OpenBSD 5.2 *)
			buf*: jmp_buf;

			(* mask_was_saved*: INTEGER;
			saved_mask*: sigset_t; *) (* OpenBSD *)

			xxx: INTEGER;
		END;

		PtrDirent* = POINTER TO Dirent;
		PtrDirentArray* = POINTER TO ARRAY [untagged] OF Dirent;

		Dirent* = RECORD  [untagged] (* OpenBSD 5.2 /usr/include/sys/dirent.h *)
			(*
			d_ino*: INTEGER;	(* inode number *)
			d_off*: off_t;	(* offset to this dirent *)
			d_reclen*: SHORTINT;	(* length of this d_name *)
			d_type*: BYTE;
			d_name*: ARRAY[untagged]  NAME_MAX+1 OF SHORTCHAR;		(* file name (null-terminated) *)
			*)

			d_fileno*: INTEGER;
			d_reclen*: SHORTINT;
			d_type*: BYTE;
			d_namlen*: BYTE;
			d_name*: ARRAY [untagged] NAME_MAX + 1 (* 256 *) OF SHORTCHAR;
		END;

		pid_t* = INTEGER; (* OpenBSD 5.2: 32-bit *)
		uid_t* = INTEGER; (* OpenBSD 5.2: 32-bit *)

(*
		sigval_t* = INTEGER; (* OpenBSD: 32-bit (union sigval) *)
*)
		sigval = RECORD [union]
			sival_int*: INTEGER; (* integer value *)
			sival_ptr*: PtrVoid; (* pointer value *)
		END;

		siginfo_t* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/sys/siginfo.h *)
			si_signo*: INTEGER; (* signal from signal.h *)
			si_code*: INTEGER; (* code from above *)
			si_errno*: INTEGER; (* error from errno.h *)
			_data*: RECORD [union]
				_pad*: ARRAY [untagged] 29 (* SI_PAD *) OF INTEGER; (* for future growth *)
				_proc*: RECORD [untagged] (* kill(), SIGCLD, siqqueue() *)
					_pid*: pid_t; (* process ID *)
					_pdata*: RECORD [union]
						_kill*: RECORD [untagged]
							_uid*: uid_t;
							_value*: sigval;
						END;
						_cld*: RECORD [untagged]
							_utime*: clock_t;
							_status*: INTEGER;
							_stime*: clock_t;
						END;
					END;
				END;
				_fault*: RECORD [untagged] (* SIGSEGV, SIGBUS, SIGILL and SIGFPE *)
					_addr*: PtrVoid; (* faulting address *)
					_trapno*: INTEGER; (* illegal trap number *)
				END;
			END;
		END;
		Ptrsiginfo_t* = POINTER TO siginfo_t;

		(* sigset_t* = ARRAY [untagged] 128 OF BYTE; *)
		(* OpenBSD 5.2 /usr/include/sys/signal.h *)
		(* sigset_t* = ARRAY [untagged] 4 OF BYTE; *)
		sigset_t* = SET;

		Ptrsigset_t* = INTEGER;
		sigaction_t* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/sys/signal.h *)
			sa_sigaction*: PROCEDURE [ccall] (sig: INTEGER; siginfo: Ptrsiginfo_t; ptr: Ptrucontext_t); (* union with sa_handler*: PtrProc;*)
			sa_mask*: sigset_t;
			sa_flags*: SET;
			(* sa_restorer*: LONGINT; *) (* OpenBSD *)
		END;

		stack_t* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/sys/signal.h *)
			ss_sp*: PtrVoid;
			ss_size*: size_t; (* OpenBSD *)
			ss_flags*: INTEGER; (* OpenBSD *)
		END;

		dev_t* = INTEGER; (* OpenBSD: 32-bit *)
		gid_t* = INTEGER; (* OpenBSD: 32-bit *)

		stat_t* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/sys/stat.h *)
			st_dev*: dev_t;	(* device *) (* OpenBSD: 32-bit *)
			(* __pad1: SHORTINT; *) (* OpenBSD *)
			st_ino*: INTEGER;	(* 64? inode *) (* OpenBSD: 32-bit *)
			st_mode*: mode_t;	(* protection *) (* OpenBSD: 32-bit *)
			st_nlink*: INTEGER; 	(* number of hard links *) (* OpenBSD: 32-bit *)
			st_uid*: uid_t;	(* user ID of owner *) (* OpenBSD: 32-bit *)
			st_gid*: gid_t;	(* group ID of owner *) (* OpenBSD: 32-bit *)
			st_rdev*: dev_t;	(* device type (if inode device) *) (* OpenBSD: 32-bit *)
			st_lspare0*: INTEGER; (* OpenBSD *)
			(* __pad2: SHORTINT; *) (* OpenBSD *)

			(* OpenBSD *)
			st_atime*: time_t;
			st_atimensec*: INTEGER;
			st_mtime*: time_t;
			st_mtimensec*: INTEGER;
			st_ctime*: time_t;
			st_ctimensec*: INTEGER;

			st_size*: off_t;	(* 64? total size, in bytes *) (* OpenBSD *)
			st_blocks*: LONGINT; (* OpenBSD: 64-bit *)
			st_blksize*: INTEGER;	(* blocksize for filesystem I/O *)
			(* st_blocks*: INTEGER;	(* 64? number of blocks allocated *) *) (* OpenBSD *)
			st_flags*: INTEGER; (* OpenBSD: 32-bit *)
			st_gen*: INTEGER; (* OpenBSD: 32-bit *)
			st_lspare1*: INTEGER; (* OpenBSD: 32-bit *)

			(* OpenBSD
			st_atime*: INTEGER;	(* time of last access *)
			__unused1:  INTEGER;
			st_mtime*: INTEGER;	(* time of last modification *)
			__unused2:  INTEGER;
			st_ctime*: INTEGER;	(* time of last change *)
			__unused3:  INTEGER;
			__unused4:  INTEGER;
			__unused5:  INTEGER;
			*)

			(* OpenBSD *)
			__st_birthtime*: time_t;
			__st_birthtimensec*: INTEGER;
			st_qspare*: ARRAY [untagged] 2 OF LONGINT;
		END;

		(* OpenBSD
		fpreg* = RECORD [untagged]
			significand*: ARRAY [untagged] 4 OF CHAR;
			exponent*: CHAR;
		END;
		*)

		(* OpenBSD *)
		(*
		fpstate* = RECORD [untagged]
			cw*: INTEGER; 	(* unsigned long int *)
			sw*: INTEGER; 	(* unsigned long int *)
			tag*: INTEGER; 	(* unsigned long int *)
			ipoff*: INTEGER; 	(* unsigned long int *)
			cssel*: INTEGER; 	(* unsigned long int *)
			dataoff*: INTEGER; 	(* unsigned long int *)
			datasel*: INTEGER; 	(* unsigned long int *)
			_st: ARRAY [untagged] 8 OF fpreg;
			status*: INTEGER; 	(* unsigned long int *)
		END;
		*)
		envxmm* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/i386/npx.h *)
			(*0*)
				en_cw*: SHORTINT; (* FPU Control Word *)
				en_sw*: SHORTINT; (* FPU Status Word *)
				en_tw*: BYTE; (* FPU Tag Word (abridged) *)
				en_rsvd0*: BYTE;
				en_opcode*: SHORTINT; (* FPU Opcode *)
				en_fip*: INTEGER; (* FPU Instruction Pointer *)
				en_fcs*: SHORTINT; (* FPU IP selector *)
				en_rsvd1*: SHORTINT;
			(*16*)
				en_foo*: INTEGER; (* FPU Data pointer *)
				en_fos*: SHORTINT; (* FPU Data pointer selector *)
				en_rsvd2*: SHORTINT;
				en_mxcsr*: INTEGER; (* MXCSR Register State *)
				en_mxcsr_mask*: INTEGER; (* Mask for valid MXCSR bits (may be 0) *)
		END;
		(* FPU regsters in the extended save format. *)
		fpaccxmm* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/i386/npx.h *)
			fp_bytes*: ARRAY [untagged] 10 OF BYTE;
			fp_rsvd*: ARRAY [untagged] 6 OF BYTE;
		END;
		(* SSE/SSE2 registers. *)
		xmmreg* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/i386/npx.h *)
			sse_bytes*: ARRAY [untagged] 16 OF BYTE;
		END;
		fpstate* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/i386/npx.h savefpu.savexmm *)
			sv_env*: envxmm; (* control/status context *)
			sv_ac*: ARRAY [untagged] 8 OF fpaccxmm; (* ST/MM regs *)
			sv_xmmregs*: ARRAY [untagged] 8 OF xmmreg; (* XMM regs *)
			sv_rsvd*: ARRAY [untagged] 16 * 14 OF BYTE;
			(* 512-bytes --- end of hardware portion of save area *)
			sv_ex_sw*: INTEGER; (* saved SW from last exception *)
			sv_ex_tw*: INTEGER; (* saved TW from last exception *)
		END;

		(* OpenBSD
		gregset_t* = ARRAY [untagged] 19 OF INTEGER;
		*)
		fpregset_t* = POINTER TO fpstate;

		(* OpenBSD
		mcontext_t*  = RECORD [untagged]
			gregs*: gregset_t;
			fpregs*: fpregset_t;
			oldmask*: INTEGER;	(* unsigned long int *)
			cr2*: INTEGER; 	(* unsigned long int *)
		END;
		*)

		Ptrucontext_t* = POINTER TO ucontext_t;
		ucontext_t* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/i386/signal.h struct sigcontext *)
			(*
			uc_flags*: INTEGER;	(* unsigned long int *)
			uc_link*: Ptrucontext_t;
			uc_stack*: stack_t;
			uc_mcontext*: mcontext_t;
			uc_sigmask: sigset_t;
			__fpregs_mem*: fpstate;
			*)

			sc_gs*: INTEGER;
			sc_fs*: INTEGER;
			sc_es*: INTEGER;
			sc_ds*: INTEGER;
			sc_edi*: INTEGER;
			sc_esi*: INTEGER;
			sc_ebp*: INTEGER;
			sc_ebx*: INTEGER;
			sc_edx*: INTEGER;
			sc_ecx*: INTEGER;
			sc_eax*: INTEGER;
			(* XXX *)
			sc_eip*: INTEGER;
			sc_cs*: INTEGER;
			sc_eflags*: INTEGER;
			sc_esp*: INTEGER;
			sc_ss*: INTEGER;

			sc_onstack*: INTEGER; (* sigstack state to restore *)
			sc_mask*: INTEGER; (* signal mask to restore *)
			sc_trapno*: INTEGER; (* XXX should be above *)
			sc_err*: INTEGER;

			sc_fpstate*: fpregset_t; (* POINTER TO savefpu *)
		END;

		(* Times and Dates *)

		tm* = POINTER TO tmDesc;
		tmDesc* = RECORD [untagged] (* OpenBSD 5.2 /usr/include/time.h *)
			tm_sec*: INTEGER;	(* seconds *)
			tm_min*: INTEGER;	(* minutes *)
			tm_hour*: INTEGER;	(* hours *)
			tm_mday*: INTEGER;	(* day of the month *)
			tm_mon*: INTEGER;	(* month *)
			tm_year*: INTEGER;	(* year *)
			tm_wday*: INTEGER;	(* day of the week *)
			tm_yday*: INTEGER;	(* day in the year *)
			tm_isdst*: INTEGER;	(* daylight saving time *)

			tm_gmtoff*: INTEGER; (* OpenBSD *)
			tm_zone*: PtrSTR; (* OpenBSD *)
		END;

		time_t* = INTEGER; (* OpenBSD 5.2 /usr/include/i386/_types.h: 32-bit *)

		FILE = ARRAY [untagged] 88 OF BYTE; (* OpenBSD 5.2 /usr/include/stdio.h *)

		wchar_t* = INTEGER; (* OpenBSD 5.2: 32-bit *)
		PtrWSTR* = POINTER TO ARRAY [untagged] OF wchar_t;

		(* OpenBSD 5.2 *)
		sigaltstack_t* = RECORD [untagged]
			ss_sp*: PtrVoid;
			ss_size*: size_t;
			ss_flags*: INTEGER;
		END;

	VAR
		(* timezone*: INTEGER; (* seconds from GMT *) *) (* OpenBSD: not present *)
		(* stdin*, stdout*, stderr* : PtrFILE; (* OpenBSD: not present *) *)

		(* OpenBSD: stdin, stdout, stderr *)
			__sF*: ARRAY [untagged] 3 OF FILE; (* OpenBSD 5.2 /usr/include/stdio.h *)
			(*
				stdin = SYSTEM.ADR(__sF[0])
				stdout = SYSTEM.ADR(__sF[1])
				stderr = SYSTEM.ADR(__sF[2])
			*)

	PROCEDURE [ccall] calloc* (nmemb, size: size_t): PtrVoid;
	PROCEDURE [ccall] clock* (): clock_t;

	PROCEDURE [ccall] closedir* (dir: PtrDIR): INTEGER;

	PROCEDURE [ccall] chmod* (path: PtrSTR; mode: mode_t);
	PROCEDURE [ccall] exit* (status: INTEGER);

	PROCEDURE [ccall] fclose* (fp: PtrFILE): INTEGER;
	PROCEDURE [ccall] fflush* (fp: PtrFILE): INTEGER;
	PROCEDURE [ccall] fopen* (filename, mode: PtrSTR): PtrFILE;
	PROCEDURE [ccall] feof* (fp: PtrFILE): INTEGER;
	PROCEDURE [ccall] fread* (ptr: PtrVoid; size, nmemb: size_t; stream: PtrFILE): size_t;
	PROCEDURE [ccall] fseek* (stream: PtrFILE; offset, origin: INTEGER): INTEGER;
	PROCEDURE [ccall] free* (p: PtrVoid);

	PROCEDURE [ccall] ftell* (stream: PtrFILE): (* LONGINT; *) INTEGER; (* OpenBSD 5.2 *)

	PROCEDURE [ccall] ftw* (filename: PtrSTR; func: __ftw_func_t; maxfds: INTEGER): INTEGER;
	PROCEDURE [ccall] fwrite* (ptr: PtrVoid; size, nmemb: size_t; stream: PtrFILE): size_t;
	PROCEDURE [ccall] getcwd* (buf: PtrSTR; size: size_t): PtrSTR;

	(* PROCEDURE [ccall] getcontext* (ucontext_t: Ptrucontext_t): INTEGER; *) (* OpenBSD *)

	(* PROCEDURE [ccall] gets* (s: PtrSTR); *)
	PROCEDURE [ccall] gets* (s: PtrSTR): PtrSTR; (* OpenBSD 5.2 *)

	PROCEDURE [ccall] fgets* (s: PtrSTR; n: INTEGER; fp: PtrFILE): PtrSTR;
	PROCEDURE [ccall] gmtime* (VAR timep: time_t): tm;
	PROCEDURE [ccall] kill* (pid: pid_t; sig: INTEGER): INTEGER;
	PROCEDURE [ccall] localtime* (VAR timep: time_t): tm;
	PROCEDURE [ccall] malloc* (size: size_t): PtrVoid;
	PROCEDURE [ccall] mkdir* (path: PtrSTR; mode: mode_t): INTEGER;
	PROCEDURE [ccall] mktime* (timeptr: tm): time_t;
	PROCEDURE [ccall] opendir* (filename: PtrSTR): PtrDIR;
	PROCEDURE [ccall] printf* (s: PtrSTR): INTEGER;
	PROCEDURE [ccall] readdir* (dir: PtrDIR): PtrDirent;
	PROCEDURE [ccall] remove* (path: PtrSTR): INTEGER;
	PROCEDURE [ccall] rename* (from, to: PtrSTR): INTEGER;
	PROCEDURE [ccall] scandir* (dir: PtrDIR; namelist: PtrDirentArray; selector: SelectorFunc; cmp: CmpFunc): INTEGER;

	(* PROCEDURE [ccall] setcontext* (ucontext_t: Ptrucontext_t): INTEGER; *) (* OpenBSD *)

	PROCEDURE [ccall] setjmp* (VAR env: jmp_buf): INTEGER;
	PROCEDURE [ccall] sigaction* (sig_num: INTEGER; VAR [nil] act: sigaction_t; VAR [nil] oldact: sigaction_t): INTEGER;
	PROCEDURE [ccall] sigaddset* (set: Ptrsigset_t; sig: INTEGER): INTEGER;
	PROCEDURE [ccall] sigdelset* (set: Ptrsigset_t; sig: INTEGER): INTEGER;
	PROCEDURE [ccall] sigemptyset* (set: Ptrsigset_t): INTEGER;
	PROCEDURE [ccall] sigfillset* (set: Ptrsigset_t): INTEGER;
	PROCEDURE [ccall] sigismemeber* (set: Ptrsigset_t; sig: INTEGER): INTEGER;
	PROCEDURE [ccall] siglongjmp* (VAR env: sigjmp_buf; val: INTEGER);

	PROCEDURE [ccall] signal* (sig_num: INTEGER; sighandler: PtrProc): PtrProc;
	(* PROCEDURE [ccall] sigsetjmp* ["__sigsetjmp"] (VAR env: sigjmp_buf; savemask: INTEGER): INTEGER; *)
	PROCEDURE [ccall] sigsetjmp* (VAR env: sigjmp_buf; savemask: INTEGER): INTEGER; (* OpenBSD *)

	(* OpenBSD *)
	PROCEDURE [ccall] stat* (filename: PtrSTR; VAR buf: stat_t): INTEGER;  (* stat is a macro and expands to __xstat(3, filename, buf) *)
(* OpenBSD: __xstat not present
	PROCEDURE [ccall] __xstat* (version: INTEGER; filename: PtrSTR; VAR buf: stat_t): INTEGER;
*)

	PROCEDURE [ccall] strftime* (s: PtrSTR; max: size_t; format: PtrSTR; ptm: tm): size_t;
	PROCEDURE [ccall] time* (VAR [nil] t: time_t): time_t;

	(* PROCEDURE [ccall] __errno_location*(): INTEGER; *)
	PROCEDURE [ccall] __errno_location* ["__errno"] (): INTEGER; (* OpenBSD *)

	PROCEDURE [ccall] open* (path: PtrSTR; flags: SET; mode: mode_t): INTEGER;
	PROCEDURE [ccall] close* (d: INTEGER): INTEGER;
	PROCEDURE [ccall] read* (d: INTEGER; buf: PtrVoid; nbytes: size_t): ssize_t;
	PROCEDURE [ccall] write* (d: INTEGER; buf: PtrVoid; nBytes: size_t): ssize_t;

	(* OpenBSD *)
	PROCEDURE [ccall] mprotect* (addr: PtrVoid; len: size_t; prot: SET): INTEGER;

	(* OpenBSD 5.2 *)
	PROCEDURE [ccall] madvise* (addr: PtrVoid; len: size_t; behav: INTEGER): INTEGER;

	PROCEDURE [ccall] mmap* (addr: PtrVoid; len: size_t; prot: SET; flags: SET; fd: INTEGER; offset: off_t): PtrVoid;
	PROCEDURE [ccall] munmap* (addr: PtrVoid; len: size_t): INTEGER;

	PROCEDURE [ccall] getenv* (name: PtrSTR): PtrSTR;

	(* OpenBSD 5.2: Ok *)
	PROCEDURE [ccall] wctomb* (s: PtrSTR; wchar: wchar_t): INTEGER;
	PROCEDURE [ccall] wcstombs* (s: PtrSTR; pwcs: PtrWSTR; n: size_t): size_t;
	PROCEDURE [ccall] mbtowc* (pwc: PtrWSTR; s: PtrSTR; n: size_t): INTEGER;
	PROCEDURE [ccall] mbstowcs* (pwcs: PtrWSTR; s: PtrSTR; n: size_t): size_t;

	(* OpenBSD 5.2 *)
	PROCEDURE [ccall] sysconf* (name: INTEGER): INTEGER;

	PROCEDURE [ccall] sigaltstack* (VAR [nil] ss: sigaltstack_t; VAR [nil] oss: sigaltstack_t): INTEGER;

	PROCEDURE [ccall] sigreturn* (ucontext_t: Ptrucontext_t): INTEGER;

	PROCEDURE [ccall] sigprocmask* (how: INTEGER; VAR [nil] set: sigset_t; VAR [nil] oset: sigset_t): INTEGER;

END LinLibc.