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/* Fake unistd.h: config.h already provides most of the relevant things. */
#ifndef _UNISTD_H
#define _UNISTD_H
#include <sys/types.h>
#include <pwd.h>
/* On Microsoft platforms, <stdlib.h> declares 'environ'; on POSIX
platforms, <unistd.h> does. Every file in Emacs that includes
<unistd.h> also includes <stdlib.h>, so there's no need to declare
'environ' here. */
/* Provide prototypes of library functions that are emulated on w32
and whose prototypes are usually found in unistd.h on POSIX
platforms. */
extern ssize_t readlink (const char *, char *, size_t);
extern ssize_t readlinkat (int, const char *, char *, size_t);
extern int symlink (char const *, char const *);
extern int setpgid (pid_t, pid_t);
extern pid_t getpgrp (void);
extern pid_t setsid (void);
extern pid_t tcgetpgrp (int);
extern int faccessat (int, char const *, int, int);
/* These are normally on fcntl.h, but we don't override that header. */
/* Use values compatible with gnulib, as there's no reason to differ. */
#define AT_FDCWD (-3041965)
#define AT_EACCESS 4
#define AT_SYMLINK_NOFOLLOW 4096
#define O_IGNORE_CTTY 0
#define O_NOCTTY 0
#define O_NOFOLLOW 0
/* This is normally on stdlib.h, but we don't override that header. */
extern int unsetenv (const char *);
#endif /* _UNISTD_H */
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