ltf.5

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 5 代码 · 共 539 行 · 第 1/2 页

5
539
字号
                                "00000", maximum record length                                 may exceed 99999 bytes6      16 - 21  ULTRIX File Status - st_mode returned from a                stat(2) call4      22 - 25  ULTRIX File Owner ID - uid4      26 - 29  ULTRIX Owner Group Number - gid4      30 - 33  ULTRIX Link ID Sequence Number - if file is                hard linked, contains the file sequence number                of the file this file is linked to3      34 - 36  ULTRIX True File Type - three character                representation of the ULTRIX disk file type                (see below)1      37       Carriage Control - "A" = first byte of record                contains FORTRAN carriage control character                                   "M" = record contains all                                   required forms control                                   " " = (space) insert carriage                                   return, and line feed between                                    records10     38 - 47  ULTRIX File Size - in bytes if known, else                spaces1      48       ULTRIX ltf Header Number - number of last HDR                containing the full ULTRIX pathname of the                file, digit between 3 and 91      49       ULTRIX ltf End of File Header Number -                number of last EOF containing the full ULTRIX                pathname of the file, digit between 3 and 9,                if "0", no path name in EOFs1      50       ULTRIX Hard Link Flag - necessary when the file                linked to has not been put on the volume, thus                this flag is used for forward references, "0" =                 no links or symbolic link, "1" = hard links2      51 - 52  Buffer Offset - number of bytes of Buffer                Offset Field, which is the first record in                the data block, if the Buffer Offset is greater                than zero, not implemented by ltf and set to "00"28     53 - 80  ANSI reserved (spaces).EE.spThe ULTRIX disk file type is described in field 34-36 of HDR2. The following list contains the 3-character representationsyou can use to specify the disk file type:.EX 0"adf"     - ASCII data file"asc"     - ASCII text"arc"     - Archive"arl"     - Archive Random Library"asm"     - Assembly language text"bin"     - Binary data"bsp"     - Block special file"cc "     - 'C' program text"cmp"     - Compressed text file"com"     - Command text file"cpi"     - CPIO file"csp"     - Character special file"dir"     - Directory"eng"     - English text"exe"     - Executable binary"for"     - Fortran program source"fuf"     - Fortran Unformatted File"nul"     - Null/empty file"oar"     - Old Archive"pip"     - Named pipe"rof"     - roff, nroff, troff, or eqn input text"soc"     - Socket"sym"     - Symbolic Link"???"     - Content of file not determined.EE.PPHDR3 - Label Format - ANSI VERSION 3/4OPTIONAL file header label presence and content ignored if the volume was not created by an ULTRIX system.  Content limited to "a" characters if VOL1 field 80 = "3".Embedded spaces in the path names are not permitted..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------  -----------3      1 - 3    "HDR"1      4        "3"10     5 - 14   ULTRIX standard time of last change to file10     15 - 24  ULTRIX File Owner Name20     25 - 44  ULTRIX Hostname36     45 - 80  ULTRIX File Path Name - first 36 characters.EE.spHDR4 through HDR9 - Label Format - ANSI VERSION 3/4OPTIONAL file header label used by the .PN ltf to express some fractional component of the file's complete path name, but presence and content ignored if the volume was not created by an ULTRIX system.  Content limited to "a" characters if VOL1 field 80 = "3"..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------  -----------3      1 - 3    "HDR"1      4        "4" - "9"76     5 - 80   ULTRIX File Path Name - continuation from                previous HDR, left justified and padded with                blanks if needed.EE.spBUHLa - Label Format - ANSI VERSION 3/4OPTIONAL User File Header Labels not supported by the .PN ltf .They are notoutput and, if present on an input volume, their presence and content is ignored..EX 0Size   First &  Descriptionof     Last Field  Byte #	or Content-----  -------	-----------3      1 - 3    "UHL"1      4        any valid "a" character identifying this label76     5 - 80   Application Dependent.EE.spEOV1 - Label Format - ANSI VERSION 3/4First End-Of-Volume label that, if read before the first End Of File label (EOF1), indicates that the file is continued on the next volume.For valid hardware and software technical limitations,the ULTRIX .PN ltf does not support multivolume file setsand therefore does not output these labels.If present on an input volume, they are interpretedas indicating an error condition, due to the fact thatsome portion of the file will not be processed.The fields of this label are identical to the contents ofthe corresponding fields in the First File Header Label (HDR1),with the exceptions noted below.The following diagrams of EOV labels are intended forreference purposes only..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------	-----------3      1 - 3    "EOV"1      4        "1"50     5 - 54   same as corresponding fields in HDR16      55 - 60  Block Count - number of blocks in which the                 file was recorded20     61 - 80  same as corresponding fields in HDR1.EE.spEOV2 - Label Format - ANSI VERSION 3/4The fields of the Second End-Of-Volume label are identical to the contents of the corresponding fields in the Second File Header Label (HDR2), with the exceptions noted.  The .PN ltf does not support the use of EOV labels. See the previous description for EOV1.OPTIONAL End-Of-Volume labels 3 through 9  (EOV3 - EOV9) are notused by the .PN ltf . If present on an input volume, their presenceand content are ignored by the .PN ltf . See NOTES for EOV1..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------  -----------3      1 - 3    "EOV"1      4        "2"76     5 - 80   same as corresponding fields in HDR2.EE.spEOF1 - Label Format - ANSI VERSION 3/4The fields of the First End-Of-File label are identical to the contents of the corresponding fields in the First File Header Label (HDR1), with the exceptions noted..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------	-----------3      1 - 3    "EOF"1      4        "1"50     5 - 54   same as corresponding fields in HDR16      55 - 60  Block Count - number of blocks in which the                 file was recorded20     61 - 80  same as corresponding fields in HDR1.EEEOF2 - Label Format - ANSI VERSION 3/4The fields of the Second End-Of-File label are identical to the contents of the corresponding fields in the Second File Header Label (HDR2)..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------  -----------3      1 - 3    "EOF"1      4        "2"76     5 - 80   same as corresponding fields in HDR2.EE.spEOF3 through EOF9 - Label Format - ANSI VERSION 3/4OPTIONAL ANSI end-of-file labels used by the .PN ltf to express somefractional component of the file's complete path name.The presence and content of these labels are ignoredif the volume was not created by an ULTRIX system.  Content limited to "a" characters if VOL1 field 80 = "3"..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------  -----------3      1 - 3    "EOF"1      4        "3" - "9"76     5 - 80   ULTRIX File Path Name - continuation from                HDR9 and previous EOF, left justified and                padded with blanks if needed.EE.spUTLa through UTLa - Label Format - ANSI VERSION 3/4OPTIONAL User File Trailer Labels Set is optional.  If present on aninput volume, it is ignored by the .PN ltf .  User File Trailer Labels are not output by the .PN ltf .If present, they take the form described. Their use is application dependent but not supported by the .PN ltf ..EX 0Size   First &  Descriptionof     Last Field  Byte #   or Content-----  -------  -----------3      1 - 3    "UTL"1      4        any valid "a" character identifying this label76     5 - 80   Application Dependent.EE.NXE "ltf file" "label formats".SH See Alsoltf(1).NXE "magnetic tape" "labeling".NXE "ltf file" "format"

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?