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#ifndef POSIX_HEADERS_MISSING
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#endif
#ifndef STDC_HEADERS_MISSING
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#endif
#ifdef MSDOS
#undef POSIX_HEADERS_MISSING
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <io.h>
#undef min
#define R_OK 0
#define mode_t unsigned short
#define SEEK_SET 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#define VERSION "MSDOS Compile"
#endif
/******************************************************************************/
/* EEEEyuk!! */
#ifdef __STDC__
#define P(x) x
#else
#define P(x) ()
#endif
#ifdef STDC_HEADERS_MISSING
extern int errno;
char *strcat P((char *dest, const char *src));
unsigned long strtoul P((const char *s, char **endptr, int base));
void exit P((int status));
void *malloc P((unsigned size));
int strncmp P((const char *s1, const char *s2, unsigned n));
char *strncpy P((char *dest, const char *src, unsigned n));
char * strcpy P((char* dest, char* src));
void *memset P((void *s, int c, unsigned n));
#endif
#ifdef POSIX_HEADERS_MISSING
#define R_OK 0
int access P((const char *path, int amode));
#define SEEK_SET 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#define mode_t unsigned short
#define off_t long
int chmod P((const char *path, int mode));
int close P((int fd));
int creat P((const char *path, int mode));
int fstat P((int fd, struct stat *statbuf));
off_t lseek P((int fd, off_t offset, int whence));
int open P((const char *path, int oflag, ...));
int read P((int fd, void *buf, unsigned nbytes));
mode_t umask P((int oldmask));
int write P((int fd, const void *buf, unsigned nbytes));
#endif
#ifndef O_RDONLY
#define O_RDONLY 0
#endif
#ifndef O_WRONLY
#define O_WRONLY 1
#endif
#ifndef O_RDWR
#define O_RDWR 2
#endif
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