MODULE LinLibc ["libc.so%%libver%%"];

	(*
		%%osname%%
		%%machine%%
	*)

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

		CLOCKS_PER_SEC* = %%clockspersec%%;

		MAP_FAILED* = -1;

		(* MAP_PRIVATE, MAP_ANON (intFlags) *)
%%defs-map%%

		(* PROT_READ, PROT_WRITE, PROT_EXEC (intFlags) *)
%%defs-prot%%

		(* SIG_UNBLOCK, SIG_SETMASK (int) *)
%%defs-sigmask%%

		(* FPE_INTDIV, FPE_INTOVF, FPE_FLTDIV, FPE_FLTOVF, FPE_FLTUND, FPE_FLTRES, FPE_FLTINV, FPE_FLTSUB (int) *)
%%defs-fpe%%

		(* SA_SIGINFO (intFlags) *)
%%defs-sa%%

		(* SIGINT, SIGILL, SIGFPE, SIGSEGV, SIGKILL, SIGSTOP, SIGWINCH, SIGTHR (int) *)
%%defs-signo%%
		_NSIG* = %%nsig%%;

(*
		PAGE_SIZE* = 4096;
*)
%%defs-sc%%

		SIGSTKSZ* = %%sigstksz%%;

		(* ENOENT, EEXIST, EACCES, ENOMEM, EDQUOT, EMFILE, ENOTDIR (int) *)
%%defs-errno%%

%%defs-wait%%

		NAME_MAX* = %%namemax%%;

		SEEK_SET* = 0;
		SEEK_CUR* = 1;
		SEEK_END* = 2;

		STDIN_FILENO* = 0;
		STDOUT_FILENO* = 1;
		STDERR_FILENO* = 2;

		P_tmpdir* = "/tmp";

		(* O_RDWR, O_NONBLOCK (intFlags) *)
%%defs-fcntlo%%

%%defs-clockid%%

	TYPE
		StrArray* = POINTER TO ARRAY [untagged] OF PtrSTR;
		PtrSTR* = POINTER TO ARRAY [untagged] OF SHORTCHAR;

		(* PtrVoid, int, long, size_t, ssize_t, off_t, time_t, clock_t, sigjmp_buf *)
		(* mode_t, intFlags, sigset_t (set) *)
%%defs-basictypes%%

		tm* = POINTER TO tmDesc;
		tmDesc* = RECORD [untagged]
			(* NOTE: check record size *)
			(* tm_year, tm_mon, tm_mday, tm_hour, tm_min, tm_sec, tm_wday [ , tm_gmtoff ] *)
%%fields-tm%%
		END;

		Ptrsiginfo_t* = POINTER TO siginfo_t;
		siginfo_t = RECORD [untagged]
			(* si_code, fault address *)
%%fields-siginfo%%
		END;

		Ptrucontext_t* = POINTER TO ucontext_t;
		ucontext_t = RECORD [untagged]
			(* IP, SP, FP *)
%%fields-ucontext%%
		END;

		sigaction_t* = RECORD [untagged]
(*
			sa_sigaction*: PROCEDURE [ccall] (sig: INTEGER; siginfo: Ptrsiginfo_t; context: Ptrucontext_t),
			sa_flags*: intFlags, sa_mask*: sigset_t
*)
%%fields-sigaction%%
		END;

		stack_t* = RECORD [untagged]
(*
			ss_sp*: PtrVoid, ss_size*: size_t, ss_flags*: intFlags
*)
%%fields-stack%%
		END;

		stat_t* = RECORD [untagged]
(*
			NOTE: check record size
			st_mode*: mode_t, st_size*: off_t, st_mtime*: time_t
*)
%%fields-stat%%
		END;

		PtrFILE* = PtrVoid;
		PtrDIR* = PtrVoid;

		PtrDirent* = POINTER TO Dirent;
		Dirent = RECORD [untagged]
(*
			d_name*: ARRAY [untagged] NAME_MAX + 1 OF SHORTCHAR
*)
%%fields-dirent%%
		END;

		timespec_t* = RECORD [untagged]
%%fields-timespec%%
		END;

(*
	VAR
		stdin*: INTEGER;
		timezone*: INTEGER; (* or tm.tm_gmtoff *)
*)
(*
	PROCEDURE [ccall] __errno_location* (): PtrVoid;
*)
(*
	(* POSIX.1 *)
		PROCEDURE [ccall] stat* (path: PtrSTR; VAR sp: stat_t): int;
*)
%%custom%%

	(* ANSI C 89 *)
		PROCEDURE [ccall] clock* (): clock_t;

	(* POSIX.1 *)
		PROCEDURE [ccall] clock_gettime* (clock_id: clockid_t; VAR tp: timespec_t): int;

	PROCEDURE [ccall] mmap* (adr: PtrVoid; len: size_t; prot: intFlags; flags: intFlags; fd: int; offset: off_t): PtrVoid;
	(* BSD *)
		PROCEDURE [ccall] munmap* (adr: PtrVoid; len: size_t): int;
		PROCEDURE [ccall] mprotect* (adr: PtrVoid; len: size_t; prot: intFlags): int;

(*
	PROCEDURE [ccall] calloc* (nmemb: size_t; size: size_t): PtrVoid;
	(* ANSI C 89 *)
		PROCEDURE [ccall] malloc* (size: size_t): PtrVoid;
*)
		PROCEDURE [ccall] free* (ptr: PtrVoid);

	(* AT&T *)
		PROCEDURE [ccall] time* (VAR [nil] t: time_t): time_t;
	PROCEDURE [ccall] gmtime* (VAR [nil] t: time_t): tm;
	PROCEDURE [ccall] localtime* (VAR [nil] t: time_t): tm;

	(* POSIX.1 *)
		PROCEDURE [ccall] sigsetjmp* (VAR env: sigjmp_buf; savemask: int): int;
		PROCEDURE [ccall] siglongjmp* (VAR env: sigjmp_buf; val: int);

	(* POSIX.1 *)
		PROCEDURE [ccall] sigemptyset* (VAR set: sigset_t): int;
		PROCEDURE [ccall] sigfillset* (VAR set: sigset_t): int;
		PROCEDURE [ccall] sigaddset* (VAR set: sigset_t; signo: int): int;
		PROCEDURE [ccall] sigprocmask* (how: int; VAR [nil] set: sigset_t; VAR [nil] oset: sigset_t): int;

	(* POSIX.1 *)
		PROCEDURE [ccall] sigaction* (sig: int; VAR [nil] act: sigaction_t; VAR [nil] oact: sigaction_t): int;

	(* BSD *)
		PROCEDURE [ccall] sigaltstack* (VAR [nil] ss: stack_t; VAR [nil] oss: stack_t): int;

	(* ANSI C 89 *)
		PROCEDURE [ccall] getenv* (s: PtrSTR): PtrSTR;

	(* ANSI C 89 *)
		PROCEDURE [ccall] fopen* (path, mode: PtrSTR): PtrFILE;
		PROCEDURE [ccall] fdopen* (fildes: int; mode: PtrSTR): PtrFILE;
		PROCEDURE [ccall] fclose* (stream: PtrFILE): int;
		PROCEDURE [ccall] fread* (ptr: PtrVoid; size: size_t; nmemb: size_t; stream: PtrFILE): size_t;
		PROCEDURE [ccall] fwrite* (ptr: PtrVoid; size: size_t; nmemb: size_t; stream: PtrFILE): size_t;
		PROCEDURE [ccall] fflush* (s: PtrFILE): int;
		PROCEDURE [ccall] printf* (s: PtrSTR): int;
	(* ANSI C 89, XPG4 *)
		PROCEDURE [ccall] fseek* (stream: PtrFILE; offset: long; whence: int): int;

	(* POSIX.1 *)
		PROCEDURE [ccall] fileno* (stream: PtrFILE): int;

	(* POSIX.1 *)
		PROCEDURE [ccall] rename* (from, to: PtrSTR): int;
		PROCEDURE [ccall] mkdir* (path: PtrSTR; mode: mode_t): int;
		PROCEDURE [ccall] opendir* (filename: PtrSTR): PtrDIR;
		PROCEDURE [ccall] readdir* (dirp: PtrDIR): PtrDirent;
		PROCEDURE [ccall] closedir* (dirp: PtrDIR): int;
	(* ANSI C 89, XPG4.2 *)
		PROCEDURE [ccall] remove* (path: PtrSTR): int;

	(* POSIX.1 *)
		PROCEDURE [ccall] getcwd* (buf: PtrSTR; size: size_t): PtrSTR;

	(* ANSI C 99 *)
		PROCEDURE [ccall] exit* (status: int);

	(* ANSI C 89 *)
		PROCEDURE [ccall] strftime* (buf: PtrSTR; maxsize: size_t; format: PtrSTR; timeptr: tm): size_t;

	(* XXX: use fread instead *)
		PROCEDURE [ccall] fgets* (str: PtrSTR; size: int; stream: PtrFILE): PtrSTR;

	(* POSIX.1 *)
		PROCEDURE [ccall] open* (path: PtrSTR; flags: intFlags; mode: mode_t): int;
		PROCEDURE [ccall] write* (d: int; buf: PtrVoid; nbytes: size_t): ssize_t;
		PROCEDURE [ccall] read* (d: int; buf: PtrVoid; nbytes: size_t): ssize_t;
		PROCEDURE [ccall] close* (d: int): int;
		PROCEDURE [ccall] lseek* (d: int; offset: off_t; whence: int): off_t;

	(* POSIX.1 *)
		PROCEDURE [ccall] chmod* (path: PtrSTR; mode: mode_t): int;
		PROCEDURE [ccall] fchmod* (fd: int; mode: mode_t): int;

	(* POSIX.1 *)
		PROCEDURE [ccall] fork* (): pid_t;
		PROCEDURE [ccall] waitpid* (wpid: pid_t; VAR [nil] status: int; options: intFlags): pid_t;

	(* POSIX.1 *)
		PROCEDURE [ccall] execv* (path: PtrSTR; argv: POINTER [untagged] TO ARRAY [untagged] OF PtrSTR): int;
		PROCEDURE [ccall] execvp* (file: PtrSTR; argv: POINTER [untagged] TO ARRAY [untagged] OF PtrSTR): int;

	(* POSIX.2 *)
		PROCEDURE [ccall] system* (string: PtrSTR): int;

	(* POSIX.1 *)
		PROCEDURE [ccall] sysconf* (name: int): long;

	PROCEDURE [ccall] popen* (command, type: PtrSTR): PtrFILE;
	PROCEDURE [ccall] pclose* (stream: PtrFILE): int;

END LinLibc.