config.h

这是一个同样来自贝尔实验室的和UNIX有着渊源的操作系统, 其简洁的设计和实现易于我们学习和理解

/* config.h.  Generated automatically by configure.  */
/*
 * This file, acconfig.h, which is a part of pdksh (the public domain ksh),
 * is placed in the public domain.  It comes with no licence, warranty
 * or guarantee of any kind (i.e., at your own risk).
 */

#ifndef CONFIG_H
#define CONFIG_H

#define PLAN9

/* Define if on AIX 3.
   System headers sometimes define this.
   We just want to avoid a redefinition error message.  */
#ifndef _ALL_SOURCE
/* #undef _ALL_SOURCE */
#endif

/* Define if the closedir function returns void instead of int.  */
/* #undef CLOSEDIR_VOID */

/* Define to empty if the keyword does not work.  */
/* #define const */

/* Define to `int' if <sys/types.h> doesn't define.  */
/* #define gid_t int */

/* Define if you have a working `mmap' system call.  */
/* #undef HAVE_MMAP */

/* Define if your struct stat has st_rdev.  */
/* #undef HAVE_ST_RDEV */

/* Define if you have <sys/wait.h> that is POSIX.1 compatible.  */
#define HAVE_SYS_WAIT_H 1

/* Define if you have <unistd.h>.  */
#define HAVE_UNISTD_H

/* Define if on MINIX.  */
/* #define _MINIX 1 */

/* Define to `int' if <sys/types.h> doesn't define.  */
/* #define mode_t short */

/* Define to `long' if <sys/types.h> doesn't define.  */
/* #define off_t long */

/* Define to `int' if <sys/types.h> doesn't define.  */
/* #define pid_t int */

/* Define if the system does not provide POSIX.1 features except
   with this defined.  */
#define _POSIX_1_SOURCE 2

/* Define if you need to in order for stat and other things to work.  */
#undef _POSIX_SOURCE
#define _POSIX_SOURCE 1

/* Define as the return type of signal handlers (int or void).  */
#define RETSIGTYPE void

/* Define if the `S_IS*' macros in <sys/stat.h> do not work properly.  */
/* #undef STAT_MACROS_BROKEN */

/* Define if `sys_siglist' is declared by <signal.h>.  */
/* #undef SYS_SIGLIST_DECLARED */

/* Define if you can safely include both <sys/time.h> and <time.h>.  */
#define TIME_WITH_SYS_TIME

/* Define to `int' if <sys/types.h> doesn't define.  */
/* #define uid_t int */

/* Define if the closedir function returns void instead of int.  */
/* #undef VOID_CLOSEDIR */

/* Define if your kernal doesn't handle scripts starting with #! */
/* #undef SHARPBANG */

/* Define if dup2() preserves the close-on-exec flag (ultrix does this) */
#define DUP2_BROKEN 1

/* Define as the return value of signal handlers (0 or ).  */
#define RETSIGVAL 

/* Define if you have posix signal routines (sigaction(), et. al.) */
/* #undef POSIX_SIGNALS */

/* Define if you have BSD4.2 signal routines (sigsetmask(), et. al.) */
/* #undef BSD42_SIGNALS */

/* Define if you have BSD4.1 signal routines (sigset(), et. al.) */
/* #undef BSD41_SIGNALS */

/* Define if you have v7 signal routines (signal(), signal reset on delivery) */
/* #define V7_SIGNALS 1 */

/* Define to use the fake posix signal routines (sigact.[ch]) */
/* #define USE_FAKE_SIGACT 1 */

/* Define if signals don't interrupt read() */
/* #undef SIGNALS_DONT_INTERRUPT */

/* Define if you have bsd versions of the setpgrp() and getpgrp() routines */
/* #undef BSD_PGRP */

/* Define if you have POSIX versions of the setpgid() and getpgrp() routines */
/* #undef POSIX_PGRP */

/* Define if you have sysV versions of the setpgrp() and getpgrp() routines */
/* #undef SYSV_PGRP */

/* Define if you don't have setpgrp(), setpgid() or getpgrp() routines */
#define NO_PGRP 1

/* Define to char if your compiler doesn't like the void keyword */
/* #define void char */
#undef void

/* Define to nothing if compiler doesn't like the volatile keyword */
#define volatile 

/* Define if C compiler groks function prototypes */
#define HAVE_PROTOTYPES

/* Define if C compiler groks __attribute__((...)) (const, noreturn, format) */
/* #undef HAVE_GCC_FUNC_ATTR */

/* Define to 32-bit signed integer type if <sys/types.h> doesn't define */
#define clock_t long

/* Define to the type of struct rlimit fields if the rlim_t type is missing */
#define rlim_t long

/* Define if time() is declared in <time.h> */
#define TIME_DECLARED

/* Define to `unsigned' if <signal.h> doesn't define */
/* #define sigset_t unsigned */

/* Define if sys_errlist[] and sys_nerr are in the C library */
/* #undef HAVE_SYS_ERRLIST */
#define _BSD_EXTENSION
#define HAVE_SYS_ERRLIST

/* Define if sys_errlist[] and sys_nerr are defined in <errno.h> */
#define SYS_ERRLIST_DECLARED

/* Define if sys_siglist[] is in the C library */
/* #undef HAVE_SYS_SIGLIST */

/* Define if you have a sane <termios.h> header file */
#define HAVE_TERMIOS_H

/* Define if you have a memset() function in your C library */
#define HAVE_MEMSET

/* Define if you have a memmove() function in your C library */
#define HAVE_MEMMOVE

/* Define if you have a bcopy() function in your C library */
/* #undef HAVE_BCOPY */

/* Define if you have a lstat() function in your C library */
#define HAVE_LSTAT

/* Define if you have a sane <termio.h> header file */
/* #define HAVE_TERMIO_H 1 */

/* Define if you don't have times() or if it always returns 0 */
/* #define TIMES_BROKEN 1 */

/* Define if opendir() will open non-directory files */
/* #define OPENDIR_DOES_NONDIR 1 */

/* Define if the pgrp of setpgrp() can't be the pid of a zombie process */
/* #undef NEED_PGRP_SYNC */

/* Define if you arg running SCO unix */
/* #undef OS_SCO */

/* Define if you arg running ISC unix */
/* #undef OS_ISC */

/* Define if you arg running OS2 with the EMX library */
/* #undef OS2 */

/* Define if you have a POSIX.1 compatiable <sys/wait.h> */
#define POSIX_SYS_WAIT

/* Define if your OS maps references to /dev/fd/n to file descriptor n */
/* #undef HAVE_DEV_FD */

/* Define if your C library's getwd/getcwd function dumps core in unreadable
 * directories.  */
/* #undef HPUX_GETWD_BUG */

/* Default PATH (see comments in configure.in for more details) */
#define DEFAULT_PATH "/bin:."

/* Include ksh features? (see comments in configure.in for more details) */
#define KSH 1

/* Include emacs editing? (see comments in configure.in for more details) */
/* #define EMACS 0 */

/* Include vi editing? (see comments in configure.in for more details) */
/* #define VI 0 */

/* Include job control? (see comments in configure.in for more details) */
/* #define JOBS 0 */

/* Include brace-expansion? (see comments in configure.in for more details) */
/* #define BRACE_EXPAND 0 */

/* Include any history? (see comments in configure.in for more details) */
/* #define HISTORY 0 */

/* Include complex history? (see comments in configure.in for more details) */
/* #undef COMPLEX_HISTORY */

/* Strict POSIX behaviour? (see comments in configure.in for more details) */
#define POSIXLY_CORRECT

/* Specify default $ENV? (see comments in configure.in for more details) */
/* #undef DEFAULT_ENV */

/* Include shl(1) support? (see comments in configure.in for more details) */
/* #undef SWTCH */

/* Include game-of-life? (see comments in configure.in for more details) */
/* #undef SILLY */

/* The number of bytes in a int.  */
#define SIZEOF_INT sizeof(int)

/* The number of bytes in a long.  */
#define SIZEOF_LONG sizeof(long)

/* Define if you have the _setjmp function.  */
/* #undef HAVE__SETJMP */

/* Define if you have the confstr function.  */
/* #undef HAVE_CONFSTR */

/* Define if you have the dup2 function.  */
#define HAVE_DUP2

/* Define if you have the flock function.  */
/* #undef HAVE_FLOCK */

/* Define if you have the getcwd function.  */
#define HAVE_GETCWD

/* Define if you have the getgroups function.  */
#define HAVE_GETGROUPS

/* Define if you have the getpagesize function.  */
/* #undef HAVE_GETPAGESIZE */

/* Define if you have the getrusage function.  */
/* #undef HAVE_GETRUSAGE */

/* Define if you have the getwd function.  */
/* #undef HAVE_GETWD */

/* Define if you have the killpg function.  */
/* #undef HAVE_KILLPG */

/* Define if you have the nice function.  */
/* #undef HAVE_NICE */

/* Define if you have the setrlimit function.  */
/* #undef HAVE_SETRLIMIT */

/* Define if you have the sigsetjmp function.  */
#define HAVE_SIGSETJMP

/* Define if you have the strcasecmp function.  */
/* #undef HAVE_STRCASECMP */

/* Define if you have the strerror function.  */
#define HAVE_STRERROR

/* Define if you have the strstr function.  */
#define HAVE_STRSTR

/* Define if you have the sysconf function.  */
/* #undef HAVE_SYSCONF */

/* Define if you have the tcsetpgrp function.  */
#define HAVE_TCSETPGRP

/* Define if you have the ulimit function.  */
/* #undef HAVE_ULIMIT */

/* Define if you have the valloc function.  */
/* #undef HAVE_VALLOC */

/* Define if you have the wait3 function.  */
/* #undef HAVE_WAIT3 */

/* Define if you have the waitpid function.  */
#define HAVE_WAITPID 1

/* Define if you have the <dirent.h> header file.  */
#define HAVE_DIRENT_H 1

/* Define if you have the <fcntl.h> header file.  */
#define HAVE_FCNTL_H 1

/* Define if you have the <limits.h> header file.  */
#define HAVE_LIMITS_H 1

/* Define if you have the <memory.h> header file.  */
/* #define HAVE_MEMORY_H 1 */

/* Define if you have the <ndir.h> header file.  */
/* #undef HAVE_NDIR_H */

/* Define if you have the <paths.h> header file.  */
/* #define HAVE_PATHS_H 1 */

/* Define if you have the <stddef.h> header file.  */
#define HAVE_STDDEF_H 1

/* Define if you have the <stdlib.h> header file.  */
#define HAVE_STDLIB_H 1

/* Define if you have the <string.h> header file.  */
#define HAVE_STRING_H 1

/* Define if you have the <sys/dir.h> header file.  */
/* #undef HAVE_SYS_DIR_H */

/* Define if you have the <sys/ndir.h> header file.  */
/* #undef HAVE_SYS_NDIR_H */

/* Define if you have the <sys/param.h> header file.  */
#define HAVE_SYS_PARAM_H 1

/* Define if you have the <sys/resource.h> header file.  */
#define HAVE_SYS_RESOURCE_H 1

/* Define if you have the <sys/time.h> header file.  */
#define HAVE_SYS_TIME_H 1

/* Define if you have the <sys/wait.h> header file.  */
#define HAVE_SYS_WAIT_H 1

/* Define if you have the <ulimit.h> header file.  */
/* #define HAVE_ULIMIT_H 1 */

/* Define if you have the <values.h> header file.  */
/* #define HAVE_VALUES_H 1 */

/* Need to use a separate file to keep the configure script from commenting
 * out the undefs....
 */
#include "conf-end.h"

#endif /* CONFIG_H */