/*- * Copyright (c) 1991, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Modified for 2.11BSD by removing prototypes. To save time and space * functions not returning 'int' and functions not present in the system * are not listed. */ #ifndef _UNISTD_H_ #define _UNISTD_H_ #include #define STDIN_FILENO 0 /* standard input file descriptor */ #define STDOUT_FILENO 1 /* standard output file descriptor */ #define STDERR_FILENO 2 /* standard error file descriptor */ #ifndef NULL #define NULL 0 /* null pointer constant */ #endif /* Values for the second argument to access. These may be OR'd together. */ #define R_OK 4 /* Test for read permission. */ #define W_OK 2 /* Test for write permission. */ #define X_OK 1 /* Test for execute permission. */ #define F_OK 0 /* Test for existence. */ void _exit (int); int access(); unsigned int alarm(); pid_t fork(); gid_t getegid(); uid_t geteuid(); gid_t getgid(); char *getlogin(); pid_t getpgrp(); pid_t getpid(); pid_t getppid(); uid_t getuid(); off_t lseek(); ssize_t read(); unsigned int sleep(); char *ttyname(); ssize_t write (int fd, const void *buf, size_t count); int truncate (const char *path, off_t length); int ftruncate (int fd, off_t length); void *brk (const void *addr); int _brk (const void *addr); char *crypt(); void endusershell(); long gethostid(); char *getpass(); char *getusershell(); char *getwd(); void psignal(); extern char *sys_siglist[]; char *re_comp(); void *sbrk (int incr); int sethostid(); void setusershell(); void sync(); unsigned int ualarm(); void usleep(); int pause (void); pid_t vfork(); int pipe (int pipefd[2]); int close (int fd); int dup (int oldfd); int dup2 (int oldfd, int newfd); int unlink (const char *pathname); int link (const char *oldpath, const char *newpath); ssize_t readlink (const char *path, char *buf, size_t bufsiz); int chown (const char *path, uid_t owner, gid_t group); int nice (int inc); int setuid (uid_t uid); int setgid (gid_t gid); int seteuid (uid_t euid); int setegid (gid_t egid); int setreuid (uid_t ruid, uid_t euid); int setregid (gid_t rgid, gid_t egid); int isatty (int fd); int chdir (const char *path); int fchdir (int fd); int chflags (const char *path, u_long flags); int fchflags (int fd, u_long flags); int getgroups (int size, gid_t list[]); int getdtablesize (void); int rmdir (const char *pathname); struct stat; int stat (const char *path, struct stat *buf); int fstat (int fd, struct stat *buf); int lstat (const char *path, struct stat *buf); int execl (const char *path, const char *arg0, ... /* NULL */); int execle (const char *path, const char *arg0, ... /* NULL, char *envp[] */); int execlp (const char *file, const char *arg0, ... /* NULL */); int execv (const char *path, char *const argv[]); int execve (const char *path, char *const arg0[], char *const envp[]); int execvp (const char *file, char *const argv[]); extern char **environ; /* Environment, from crt0. */ extern const char *__progname; /* Program name, from crt0. */ int getopt (int argc, char * const argv[], const char *optstring); extern char *optarg; /* getopt(3) external variables */ extern int opterr, optind, optopt; #ifndef _VA_LIST_ # ifdef __GNUC__ # define va_list __builtin_va_list /* For Gnu C */ # endif # ifdef __SMALLER_C__ # define va_list char * /* For Smaller C */ # endif #endif void err (int eval, const char *fmt, ...); void errx (int eval, const char *fmt, ...); void warn (const char *fmt, ...); void warnx (const char *fmt, ...); void verr (int eval, const char *fmt, va_list ap); void verrx (int eval, const char *fmt, va_list ap); void vwarn (const char *fmt, va_list ap); void vwarnx (const char *fmt, va_list ap); #ifndef _VA_LIST_ # undef va_list #endif #endif /* !_UNISTD_H_ */