Initial import of the CDE 2.1.30 sources from the Open Group.
This commit is contained in:
Peter Howkins
290
cde/lib/tt/mini_isam/isam.h
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290
cde/lib/tt/mini_isam/isam.h
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/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
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/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
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/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
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/*%% (c) Copyright 1993, 1994 Novell, Inc. */
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/*%% $XConsortium: isam.h /main/3 1995/10/23 11:33:51 rswiston $ */
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/*
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@(#)isam.h
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1.17 90/01/20
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SMI */
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/*
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* Copyright (c) 1988 by Sun Microsystems, Inc.
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*/
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/*
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* isam.h
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*
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* Description:
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* isam.h is to be included in NetISAM C application programs.
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*
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* Make sure all changes in this file are reflected in lib/db/tt_client_isam.h
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*/
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#ifndef _ISAM_H
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#define _ISAM_H
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#include <limits.h>
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#ifndef LONG_BIT
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#define LONG_BIT 32
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#endif
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extern short ldint();
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extern long ldlong();
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extern float ldfloat();
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extern double lddbl();
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extern short ldshort();
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extern ldchar(), stchar(), stlong(), stint(), stdbl(), stfloat();
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extern stbin(), ldbin();
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extern int iserrno; /* isam error number code */
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extern long isrecnum; /* record number of last call */
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extern int isreclen; /* used for variable length recs */
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extern char isstat1; /* cobol status characters */
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extern char isstat2;
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#define CHARTYPE 0
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#define CHARSIZE 1
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#define INTTYPE 1
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#define INTSIZE 2
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#define LONGTYPE 2
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#define LONGSIZE LONG_BIT/8
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#define DOUBLETYPE 3
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#define DOUBLESIZE 8
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#define FLOATTYPE 4
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#define FLOATSIZE 4
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#define BINTYPE 5
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#define BINSIZE 1
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#define MINTYPE 0
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#define MAXTYPE 6
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#define ISDESC 0x80 /* add to make descending type */
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#define TYPEMASK 0x7f /* type mask */
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#define BYTEMASK 0xff /* mask for one byte */
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#define BYTESHFT 8 /* shift for one byte */
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/* mode parameter in isread() and isstart() */
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#define ISFIRST 0 /* first record */
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#define ISLAST 1 /* last record */
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#define ISNEXT 2 /* next record */
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#define ISPREV 3 /* previous record */
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#define ISCURR 4 /* current record */
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#define ISEQUAL 5 /* equal value */
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#define ISGREAT 6 /* greater value */
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#define ISGTEQ 7 /* >= value */
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#define ISLESS 8 /* < */
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#define ISLTEQ 9 /* <= */
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/* isopen, isbuild lock modes */
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#define ISAUTOLOCK 0x200 /* automatic record lock */
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#define ISMANULOCK 0x400 /* manual record lock */
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#define ISEXCLLOCK 0x800 /* exclusive isam file lock */
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#define ISFASTLOCK 0x4000 /* no locking when EXCLLOCK! */
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/* isread lock modes */
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#define ISLOCK 0x100 /* lock record before reading */
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#define ISSKIPLOCK 0x1000 /* advance record pointer to */
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/* locked record */
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/* isstart lock mode for automatic record locking */
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#define ISKEEPLOCK 0x2000 /* keep record locked */
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/* Fix/Variable length records mode */
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#define ISFIXLEN 0
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#define ISVARLEN 0x10000
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/* Access remote file via NFS */
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#define ISNFS 0x20000
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#define ISINPUT 0 /* open for input only */
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#define ISOUTPUT 1 /* open for output only */
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#define ISINOUT 2 /* open for input and output */
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#define MAXKEYSIZE 150 /* max number of bytes in key */
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#define NPARTS 8 /* max number of key parts */
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/*#define ISMAXRECLEN 8192 */ /* Maximum number of bytes in record */
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#define ISMAXRECLEN 32767 /* 32K - 1 */
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#define ISMINRECLEN 4 /* Minimum number of bytes in record */
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struct keypart {
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unsigned short kp_start; /* starting byte of key part */
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short kp_leng; /* length in bytes */
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short kp_type; /* type of key part */
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};
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struct keydesc {
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short k_flags; /* flags */
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short k_nparts; /* number of parts in key */
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struct keypart k_part[NPARTS]; /* each part */
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};
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/* The next three defines are for compatibility with X/OPEN */
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#define k_start k_part[0].kp_start
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#define k_leng k_part[0].kp_leng
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#define k_type k_part[0].kp_type
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#define ISNODUPS 000 /* no duplicates and */
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/* no compression */
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#define ISDUPS 001 /* duplicates allowed */
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#define COMPRESS 020 /* full compression */
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struct dictinfo {
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short di_nkeys; /* number of keys defined */
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unsigned short di_recsize; /* data record size */
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short di_idxsize; /* index record size */
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long di_nrecords; /* number of records in file */
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};
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/* msb in di_nkeys indicates that ISAM file supports variable length records */
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#define DICTVARLENBIT 0x8000
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/* mask to access the true number of keys */
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#define DICTNKEYSMASK (DICTVARLENBIT - 1)
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#define ENOERROR 0 /* No error */
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#define EDUPL 100 /* duplicate record */
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#define ENOTOPEN 101 /* file not open */
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#define EBADARG 102 /* illegal argument */
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#define EBADKEY 103 /* illegal key desc */
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#define ETOOMANY 104 /* too many files open */
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#define EBADFILE 105 /* bad ISAM file format */
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#define ENOTEXCL 106 /* non-exclusive access */
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#define ELOCKED 107 /* record locked */
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#define EKEXISTS 108 /* key already exists */
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#define EPRIMKEY 109 /* is primary key */
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#define EENDFILE 110 /* end/begin of file */
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#define ENOREC 111 /* no record found */
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#define ENOCURR 112 /* no current record */
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#define EFLOCKED 113 /* file locked */
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#define EFNAME 114 /* file name too long */
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#define EBADMEM 116 /* cannot allocate memory */
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/* NetISAM specific error codes non XOPEN compliant*/
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#define ETIMEOUT 1117 /* RPC timeout */
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#define ERPC 1118 /* Broken TCP/IP */
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#define ETCP 1119 /* Cannot connect to server */
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#define EIMPORT 1120 /* Cannot import */
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#define ENODAEMON 1121 /* no local daemon */
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#define EFATAL 1122 /* internal fatal error */
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#define ELANG 1123 /* Locale/LANG mismatch */
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#define ISOK 0 /* no error return code */
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#define ISERROR -1 /* error return code */
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extern struct keydesc *nokey; /* May be used as parameter
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* to isbuild() if no
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* primary key is to be built
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*/
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/* ischeckindex() diagmode values */
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#define CHK_NODIAG 0 /* do not print any messages */
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#define CHK_DIAG 1 /* Access Level module will print to stderr */
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/* values of corrupt parameter of ischeckindex() */
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#define CHK_OK 0 /* ISAM file is not corrupted */
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#define CHK_DAT 1 /* .dat file is corrupted */
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#define CHK_VAR 2 /* .var file is corrupted */
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#define CHK_IND 3 /* .ind file is corrupted */
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/* iscntl() definitions */
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/* For one isfd - use iscntl(isfd, func, ...) */
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#define ISCNTL_RPCS_TO_SET 1 /* short oper. timeout (in sec) */
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#define ISCNTL_RPCS_TO_GET 2 /* short oper. timeout (in sec) */
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#define ISCNTL_RPCL_TO_SET 3 /* long oper. timeout (in sec) */
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#define ISCNTL_RPCL_TO_GET 4 /* long oper. timeout (in sec) */
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#define ISCNTL_TCP_TO_SET 5 /* timeout to reconnect TCP?IP */
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#define ISCNTL_TCP_TO_GET 6 /* timeout to reconnect TCP?IP */
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#define ISCNTL_APPLMAGIC_WRITE 7 /* Write Appl. Magic */
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#define ISCNTL_APPLMAGIC_READ 8 /* Read Appl. Magic */
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#define ISCNTL_FSYNC 9 /* Flush pages to disk */
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#define ISCNTL_FDLIMIT_SET 10 /* Set UNIX fd usage limit */
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#define ISCNTL_FDLIMIT_GET 11 /* Get UNIX fd usage limit */
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#define ISCNTL_FATAL 12 /* Specify NetISAM fatal error hadler */
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#define ISCNTL_MASKSIGNALS 13 /* Enable or Disable masking signals during NetISAM operations */
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#define ISAPPLMAGICLEN 32
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/*
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* ALLISFD in iscntl() calls means that the operation should be done
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* on all open file descriptors, or the operation is not related to
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* any file descriptor (e.g: maskintg signals)
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*/
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#define ALLISFD (-2)
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/* isshowlocks() and isshowhostlocks() return an array of struct showlock */
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#define IPADDRLEN 4 /* IP address length */
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struct showlock {
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short dev; /* Major/Minor device number,
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* actually type dev_t */
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long inode; /* inode number */
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long recnum; /* record number */
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char hostid[IPADDRLEN]; /* IP address of host */
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short pid; /* UNIX process ID */
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long uid; /* User ID */
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short type; /* See below */
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};
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/* NetISAM Programmer Toolkit related definitions */
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struct isfldmap {
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char *flm_fldname;
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short flm_recoff;
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short flm_bufoff;
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short flm_type;
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short flm_length;
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};
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struct istableinfo {
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char *tbi_tablename;
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int tbi_reclength;
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int tbi_nfields;
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struct isfldmap *tbi_fields;
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int tbi_nkeys;
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struct keydesc *tbi_keys;
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char **tbi_keynames;
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};
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/* record descriptor isreadm/iswritem record descriptor */
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struct recorddesc {
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char *rec_buffer;
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long rec_number;
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short rec_length;
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short rec_locked;
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};
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/*
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* The following defines and variable definitions are not used by NetISAM 1.0.
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* They are defined for compatibility with VSX 2.5.
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*/
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#define EBADCOLL (-1)
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#define IO_OPEN 0x10 /* open() */
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#define IO_CREA 0x20 /* creat() */
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#define IO_SEEK 0x30 /* lseek() */
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#define IO_READ 0x40 /* read() */
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#define IO_WRIT 0x50 /* write() */
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#define IO_LOCK 0x60 /* lockf() */
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#define IO_IOCTL 0x70 /* ioctl() */
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#define IO_RENAME 0x80 /* rename() */
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#define IO_UNLINK 0x90 /* unlink() */
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extern int iserrio;
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#endif /* !_ISAM_H */
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