#pragma once

#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <setjmp.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/wait.h>

typedef unsigned short ushort;
typedef unsigned char uchar;
typedef unsigned long ulong;
typedef unsigned int uint;
typedef signed char schar;
typedef long long vlong;
typedef unsigned long long uvlong;
typedef intptr_t intptr;
typedef uintptr_t uintptr;
typedef size_t usize;
typedef int32_t Rune;

#define ERRMAX 256

#define OREAD O_RDONLY
#define ORDWR O_RDWR
#define OCEXEC O_CLOEXEC
#define OWRITE O_WRONLY
#define OTRUNC O_TRUNC

#define USED(x) (void)(x)
#define SET(x)
#define nil NULL
#define fprint dprintf
#define print printf
#define sprint sprintf
#define snprint snprintf
#define getwd getcwd
#define seek lseek
#define create(name, flags, mode) open((name), O_CREAT|(flags), (mode))
#define dup(old, new) dup2(old, new)
#define errstr(b, sz) strerror_r(errno, (b), (sz))
#define putenv(name, value) do{ setenv((name), (value), 1); }while(0)
#define mallocz(sz, z) calloc(1, (sz))
#define setmalloctag(...) do{}while(0)
#define exits(s) do{ exit((s) ? 1 : 0); }while(0)
#define _exits exits
#define exec execv
#define nelem(x) (int)(sizeof(x)/sizeof((x)[0]))

char *cleanname(char *);

extern char *argv0;
#define	ARGBEGIN \
	for((argv0 ? 0 : (argv0=*argv)), argv++, argc--; argv[0] && argv[0][0]=='-' && argv[0][1]; argc--, argv++){ \
		const char *_args, *_argt; \
		Rune _argc; \
		_args = &argv[0][1]; \
		if(_args[0]=='-' && _args[1]==0){ \
			argc--; \
			argv++; \
			break; \
		}\
		_argc = 0; \
		while(*_args && (_args += chartorune(&_argc, _args))) \
			switch(_argc)
#define	ARGEND USED(_argt); USED(_argc); USED(_args);}USED(argv); USED(argc);
#define	ARGF() (_argt=_args, _args="", (*_argt? _argt: argv[1]? (argc--, *++argv): 0))
#define	ARGC() _argc
#define	EARGF(x) (_argt=_args, _args="", (*_argt? _argt: argv[1]? (argc--, *++argv): (x, (char*)0)))

#include "utf.h"