iff	AST_SYS
ref	-D_def_map_ast

header	stdlib.h
header	stddef.h
header	sys/types.h
header	stdint.h
header	inttypes.h
header	string.h
header	unistd.h
header	limits.h
header	fcntl.h
header	locale.h

typ dev_t,nlink_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef short $v;"
	echo "#endif"
}end
typ gid_t,mode_t,uid_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef unsigned short $v;"
	echo "#endif"
}end
typ wchar_t stdio.h wchar.h fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef unsigned short $v;"
	echo "#endif"
}end
typ pid_t,ssize_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef int $v;"
	echo "#endif"
}end
typ wint_t stdio.h wchar.h fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef int $v;"
	echo "#endif"
}end
typ socklen_t sys/socket.h fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef int $v;"
	echo "#endif"
}end
typ size_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef unsigned int $v;"
	echo "#endif"
}end
typ clock_t,ino_t,off_t,ptrdiff_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef long $v;"
	echo "#endif"
}end
typ time_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef unsigned long $v;"
	echo "#endif"
}end
typ div_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef struct { int quot; int rem; } $v;"
	echo "#endif"
}end
typ ldiv_t fail{
	echo "#ifndef $m"
	echo "#define $m	1"
	echo "typedef struct { long quot; long rem; } $v;"
	echo "#endif"
}end
tst	typ_signed_size_t output{
	#include <sys/types.h>
	int
	main(void)
	{
		unsigned long u = ~0;
		size_t s = ~0;
		if (s >= 0)
			return 1;
		printf("#if !defined(_typ_signed_size_t)\n/* ensure unsigned size_t */\ntypedef unsigned %s _ast_size_t;\n#undef\tsize_t\n#define size_t\t_ast_size_t\n#endif\n", u == (unsigned long)s ? "long" : "int");
		return 0;
	}
}end

define	offsetof	(type,member)	__builtin_offsetof(type,member)
define	EXIT_FAILURE	1
define	EXIT_SUCCESS	0
define	MB_CUR_MAX	1
define	RAND_MAX	32767

define	STDIN_FILENO	0
define	STDOUT_FILENO	1
define	STDERR_FILENO	2

define	NULL		0

define	SEEK_SET	0
define	SEEK_CUR	1
define	SEEK_END	2

define	F_OK		0
define	X_OK		1
define	W_OK		2
define	R_OK		4

extern	_exit		void		(int)
extern	abort		void		(void)
extern	abs		int		(int)
extern	access		int		(const char*, int)
extern	alarm		unsigned	(unsigned)
extern	atof		double		(const char*)
extern	atoi		int		(const char*)
extern	atol		long		(const char*)
extern	bsearch		void*		(const void*, const void*, size_t, size_t, int(*)(const void*, const void*))
extern	calloc		void*		(size_t, size_t)
extern	cfree		void		(void*)
extern	chdir		int		(const char*)
extern	chown		int		(const char*, uid_t, gid_t)
extern	close		int		(int)
extern	confstr		size_t		(int, char*, size_t)
extern	div		div_t		(int, int)
extern	dup		int		(int)
extern	dup2		int		(int, int)
extern	eaccess		int		(const char*, int)
extern	execl		int		(const char*, const char*, ...)
extern	execle		int		(const char*, const char*, ...)
extern	execlp		int		(const char*, const char*, ...)
extern	execv		int		(const char*, char* const[])
extern	execve		int		(const char*, char* const[], char* const[])
extern	execve		int		(const char*, char* const[], char* const[])
extern	execvp		int		(const char*, char* const[])
extern	execvpe		int		(const char*, char* const[], char* const[])
extern	exit		void		(int)
extern	fork		pid_t		(void)
extern	fpathconf	long		(int, int)
extern	free		void		(void*)
extern	fsync		int		(int)
extern	ftruncate	int		(int, off_t)
extern	getcwd		char*		(char*, size_t)
extern	getegid		gid_t		(void)
extern	getenv		char*		(const char*)
extern	geteuid		uid_t		(void)
extern	getgid		gid_t		(void)
extern	getpid		pid_t		(void)
extern	getppid		pid_t		(void)
extern	gettxt		char*		(const char*, const char*)
extern	getuid		uid_t		(void)
extern	isatty		int		(int)
extern	labs		long		(long)
extern	ldiv		ldiv_t		(long, long)
extern	link		int		(const char*, const char*)
extern	lseek		off_t		(int, off_t, int)
extern	malloc		void*		(size_t)
extern	mblen		int		(const char*, size_t)
extern	mbstowcs	size_t		(wchar_t*, const char*, size_t)
extern	mbtowc		int		(wchar_t*, const char*, size_t)
extern	memalign	void*		(size_t, size_t)
extern	memccpy		void*		(void*, const void*, int, size_t)
extern	memchr		void*		(const void*, int, size_t)
extern	memcmp		int		(const void*, const void*, size_t)
extern	memcpy		void*		(void*, const void*, size_t)
extern	memmove		void*		(void*, const void*, size_t)
extern	memset		void*		(void*, int, size_t)
extern	pathconf	long		(const char*, int)
extern	pause		int		(void)
extern	pipe		int		(int[])
extern	pvalloc		void*		(size_t)
extern	qsort		void		(void*, size_t, size_t, int(*)(const void*, const void*))
extern	rand		int		(void)
extern	read		ssize_t		(int, void*, size_t)
extern	realloc		void*		(void*, size_t)
extern	realpath	char*		(const char*, char*)
extern	resolvepath	char*		(const char*, char*, size_t)
extern	rmdir		int		(const char*)
extern	setgid		int		(gid_t)
extern	setpgid		int		(pid_t, pid_t)
extern	setsid		pid_t		(void)
extern	setuid		int		(uid_t)
extern	sleep		unsigned		(unsigned int)
extern	srand		void		(unsigned int)
extern	strcasecmp	int		(const char*, const char*)
extern	strcoll		int		(const char*, const char*)
extern	strcspn		size_t		(const char*, const char*)
extern	strdup		char*		(const char*)
extern	strlcat		size_t		(char*, const char*, size_t)
extern	strlcpy		size_t		(char*, const char*, size_t)
extern	strlen		size_t		(const char*)
extern	strncasecmp	int		(const char*, const char*, size_t)
extern	strpbrk		char*		(const char*, const char*)
extern	strspn		size_t		(const char*, const char*)
extern	strtok		char*		(char*, const char*)
extern	strxfrm		size_t		(char*, const char*, size_t)
extern	swab		void		(const void*, void*, ssize_t)
extern	sysconf		long		(int)
extern	system		int		(const char*)
extern	tcgetpgrp	pid_t		(int)
extern	tcsetpgrp	int		(int, pid_t)
extern	truncate	int		(const char*, off_t)
extern	ttyname		char*		(int)
extern	unlink		int		(const char*)
extern	valloc		void*		(size_t)
extern	wcstombs	size_t		(char*, const wchar_t*, size_t)
extern	wctomb		int		(char*, wchar_t)
extern	write		ssize_t		(int, const void*, size_t)

print	extern pid_t	spawnveg(const char*, char* const[], char* const[], pid_t, int);
print	#undef	extern
print	#include <stdarg.h>
