__unistd.h
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- /*-
- * Copyright (c) 1990 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.
- *
- * from: @(#)stdlib.h 5.13 (Berkeley) 6/4/91
- * $Id$
- */
- #ifndef _SYS___UNISTD_H_
- #define _SYS___UNISTD_H_
- #include <sys/cdefs.h>
- #include <sys/types.h>
- #define _SC_ARG_MAX 1 /* space for argv & envp */
- #define _SC_CHILD_MAX 2 /* maximum children per process??? */
- #define _SC_CLK_TCK 3 /* clock ticks/sec */
- #define _SC_NGROUPS_MAX 4 /* number of groups if multple supp. */
- #define _SC_OPEN_MAX 5 /* max open files per process */
- #define _SC_JOB_CONTROL 6 /* do we have job control */
- #define _SC_SAVED_IDS 7 /* do we have saved uid/gids */
- #define _SC_VERSION 8 /* POSIX version supported */
- #define _POSIX_JOB_CONTROL 1
- #define _POSIX_SAVED_IDS 1
- #define _POSIX_VERSION 198808
- #define _PC_LINK_MAX 1 /* max links to file/dir */
- #define _PC_MAX_CANON 2 /* max line length */
- #define _PC_MAX_INPUT 3 /* max "packet" to a tty device */
- #define _PC_NAME_MAX 4 /* max pathname component length */
- #define _PC_PATH_MAX 5 /* max pathname length */
- #define _PC_PIPE_BUF 6 /* size of a pipe */
- #define _PC_CHOWN_RESTRICTED 7 /* can we give away files */
- #define _PC_NO_TRUNC 8 /* trunc or error on >NAME_MAX */
- #define _PC_VDISABLE 9 /* best char to shut off tty c_cc */
- #define _PC_LAST 9 /* highest value of any _PC_* */
- #ifndef NULL
- #define NULL 0 /* null pointer constant */
- #endif
- typedef int ssize_t;
- #endif