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