/* Fake unistd.h: config.h already provides most of the relevant things. */ #ifndef _UNISTD_H #define _UNISTD_H /* On Microsoft platforms, declares 'environ'; on POSIX platforms, does. Every file in Emacs that includes also includes , so there's no need to declare 'environ' here. */ extern ssize_t readlink (const char *, char *, size_t); extern int symlink (char const *, char const *); extern int setpgid (pid_t, pid_t); extern pid_t getpgrp (void); #endif /* _UNISTD_H */