date and time created 88/07/21 17:33:39 by marc

SCCS-vsn: local/toolchest/ksh/sh/io.h 1.1

diff --git a/usr/src/local/toolchest/ksh/sh/io.h b/usr/src/local/toolchest/ksh/sh/io.h
new file mode 100644 (file)
index 0000000..8571d25
--- /dev/null
+++ b/usr/src/local/toolchest/ksh/sh/io.h
@@ -0,0 +1,134 @@
+/*
+
+ *      Copyright (c) 1984, 1985, 1986 AT&T
+ *      All Rights Reserved
+
+ *      THIS IS UNPUBLISHED PROPRIETARY SOURCE 
+ *      CODE OF AT&T.
+ *      The copyright notice above does not 
+ *      evidence any actual or intended
+ *      publication of such source code.
+
+ */
+/* @(#)io.h    1.1 */
+
+/*
+ *     UNIX shell
+ *     S. R. Bourne
+ *     rewritten by David Korn
+ *
+ */
+
+#ifndef _NFILE         /* This is true for BSD 4.3 */
+#define _NFILE 20
+#define _N_STATIC_IOBS 3
+#endif /* _NFILE */
+
+/* used for input and output of shell */
+#define FCIO   19      /* history file */
+#define INIO   18      /* saved standard ioput */
+#define TMPIO  17      /* used for command substitution */
+#define CINPIPE 16     /* inpipe for cooperating process */
+#define COTPIPE 15     /* outpipe for cooperating process */
+#define MAXFILES 10    /* maximum number of saved open files */
+
+/*io nodes*/
+#define USERIO 10
+#define IOUFD  15
+#define IODOC  16
+#define IOPUT  32
+#define IOAPP  64
+#define IOMOV  128
+#define IORDW  256
+#define IOSTRIP 512
+#define INPIPE 0
+#define OTPIPE 1
+#define DUPFLG 0100
+
+#define TMPSIZ         20
+#define F_STRING       ((unsigned char)_NFILE) /* file number for incore files */
+#define F_INFINITE     0x7fff                  /* effectively infinite */
+
+/* temp files and io */
+/* SHELL file structure */
+struct fileblk
+{
+       FILE            *fdes;
+       unsigned        flin;
+       char            **feval;
+       SHFILE          fstak;
+};
+
+#ifdef _N_STATIC_IOBS
+extern FILE    *file_fd();
+extern FILE    _myiob[];
+#else
+#define        file_fd(n)      (&_iob[n])
+#endif /* _N_STATIC_IOBS */
+#define input  (standin->fdes)
+#define fisopen(fd)    ((fd)->_flag)
+#define fiswrite(fd)   ((fd)->_flag&(_IOWRT|_IORW))
+#define fisread(fd)    ((fd)->_flag&(_IOREAD|_IORW))
+#define fnobuff(fd)    (((fd)->_flag&_IONBF)||(fd)->_base==NULL)
+#define nextchar(fd)   (*((fd)->_ptr))
+#ifndef clearerr
+#define clearerr(fd)   ((fd)->_flag &= ~(_IOERR|_IOEOF))
+#endif
+
+struct ionod
+{
+       int     iofile;
+       char    *ioname;
+       char    *iolink;
+       IOPTR   ionxt;
+       IOPTR   iolst;
+};
+
+#define        IOTYPE  (sizeof(struct ionod))
+
+struct filesave
+{
+       short   org_fd;
+       short   dup_fd;
+};
+
+
+extern void    rmtemp();
+extern FILE    *frenumber();
+extern unsigned char _sibuf[];
+extern unsigned char _sobuf[];
+extern FILEBLK stdfile;
+extern char    tmpout[];
+
+/* the following are readonly */
+extern MSG     badcreate;
+extern MSG     badfile;
+extern MSG     badopen;
+extern MSG     devnull;
+extern MSG     endoffile;
+extern MSG     nomorefiles;
+extern MSG     piperr;
+extern MSG     profile;
+#ifdef BSD_4_2
+extern MSG     prohibited;
+#endif /* BSD_4_2 */
+extern MSG     sysprofile;
+extern MSG     unknown;
+#ifdef SUID_EXEC
+extern MSG     devfdNN;
+extern MSG     suid_exec;
+#endif /* SUID_EXEC */
+
+#ifdef apollo
+/* only a fool would have changed these names */
+#define        _IOREAD         _SIRD
+#define _IOWRT         _SIWR
+#define        _IOLBF          _SINLB
+#define        _IONBF          _SIUNB
+#define        _IOMYBUF        _SIBIG
+#define _IORW          _SIUP
+#define _IOEOF         _SIEOF
+#define        _IOERR          _SIERR
+#define        _flsbuf         _flshbuf
+#define        _file           _fd
+#endif /* apollo */