nt/inc/unistd.h

   1 /* Fake unistd.h: config.h already provides most of the relevant things. */
   2
   3 #ifndef _UNISTD_H
   4 #define _UNISTD_H
   5
   6 #include <sys/types.h>
   7 #include <pwd.h>
   8
   9 /* On Microsoft platforms, <stdlib.h> declares 'environ'; on POSIX
  10    platforms, <unistd.h> does.  Every file in Emacs that includes
  11    <unistd.h> also includes <stdlib.h>, so there's no need to declare
  12    'environ' here.  */
  13
  14 /* Provide prototypes of library functions that are emulated on w32
  15    and whose prototypes are usually found in unistd.h on POSIX
  16    platforms.  */
  17 extern ssize_t readlink (const char *, char *, size_t);
  18 extern ssize_t readlinkat (int, const char *, char *, size_t);
  19 extern int symlink (char const *, char const *);
  20 extern int setpgid (pid_t, pid_t);
  21 extern pid_t getpgrp (void);
  22 extern pid_t setsid (void);
  23 extern pid_t tcgetpgrp (int);
  24
  25 extern int faccessat (int, char const *, int, int);
  26
  27 /* These are normally on fcntl.h, but we don't override that header.  */
  28 /* Use values compatible with gnulib, as there's no reason to differ.  */
  29 #define AT_FDCWD (-3041965)
  30 #define AT_EACCESS 4
  31 #define AT_SYMLINK_NOFOLLOW 4096
  32
  33 #define O_IGNORE_CTTY 0
  34 #define O_NOCTTY 0
  35 #define O_NOFOLLOW 0
  36
  37 /* This is normally on stdlib.h, but we don't override that header.  */
  38 extern int unsetenv (const char *);
  39
  40 #endif  /* _UNISTD_H */