⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 rfc1740.txt

📁 著名的RFC文档,其中有一些文档是已经翻译成中文的的.
💻 TXT
📖 第 1 页 / 共 3 页
字号:
       xint16 fdUnused[3]; /* spare */       schar8 fdScript; /* scrip flag and code */       schar8 fdXFlags; /* reserved */       xint16 fdComment; /* comment ID number */       xint32 fdPutAway; /* home directory ID */   }; /* FXInfo */   typedef struct FXInfo FXInfo;   /* Pieces used by AppleSingle & AppleDouble (defined later). */   struct ASHeader /* header portion of AppleSingle */   {               /* AppleSingle = 0x00051600; AppleDouble = 0x00051607 */Faltstrom, Crocker & Fair                                      [Page 11]RFC 1740                  MIME-based Mac files             December 1994       uint32 magicNum; /* internal file type tag */       uint32 versionNum; /* format version: 2 = 0x00020000 */       uchar8 filler[16]; /* filler, currently all bits 0 */       uint16 numEntries; /* number of entries which follow */   }; /* ASHeader */   typedef struct ASHeader ASHeader;   struct ASEntry /* one AppleSingle entry descriptor */   {       uint32 entryID; /* entry type: see list, 0 invalid */       uint32 entryOffset; /* offset, in octets, from beginning */                                   /* of file to this entry's data */       uint32 entryLength; /* length of data in octets */   }; /* ASEntry */   typedef struct ASEntry ASEntry;   /* Apple reserves the range of entry IDs from 1 to 0x7FFFFFFF.    * Entry ID 0 is invalid.  The rest of the range is available    * for applications to define their own entry types.  "Apple does    * not arbitrate the use of the rest of the range."    */   #define AS_DATA         1 /* data fork */   #define AS_RESOURCE     2 /* resource fork */   #define AS_REALNAME     3 /* File's name on home file system */   #define AS_COMMENT      4 /* standard Mac comment */   #define AS_ICONBW       5 /* Mac black & white icon */   #define AS_ICONCOLOR    6 /* Mac color icon */           /*              7       /* not used */   #define AS_FILEDATES    8 /* file dates; create, modify, etc */   #define AS_FINDERINFO   9 /* Mac Finder info & extended info */   #define AS_MACINFO      10 /* Mac file info, attributes, etc */   #define AS_PRODOSINFO   11 /* Pro-DOS file info, attrib., etc */   #define AS_MSDOSINFO    12 /* MS-DOS file info, attributes, etc */   #define AS_AFPNAME      13 /* Short name on AFP server */   #define AS_AFPINFO      14 /* AFP file info, attrib., etc */   #define AS_AFPDIRID     15 /* AFP directory ID */   /* matrix of entry types and their usage:    *    *                   Macintosh    Pro-DOS    MS-DOS    AFP server    *                   ---------    -------    ------    ----------    *  1   AS_DATA         xxx         xxx       xxx         xxx    *  2   AS_RESOURCE     xxx         xxx    *  3   AS_REALNAME     xxx         xxx       xxx         xxxFaltstrom, Crocker & Fair                                      [Page 12]RFC 1740                  MIME-based Mac files             December 1994    *    *  4   AS_COMMENT      xxx    *  5   AS_ICONBW       xxx    *  6   AS_ICONCOLOR    xxx    *    *  8   AS_FILEDATES    xxx         xxx       xxx         xxx    *  9   AS_FINDERINFO   xxx    * 10   AS_MACINFO      xxx    *    * 11   AS_PRODOSINFO               xxx    * 12   AS_MSDOSINFO                          xxx    *    * 13   AS_AFPNAME                                        xxx    * 14   AS_AFPINFO                                        xxx    * 15   AS_AFPDIRID                                       xxx    */   /* entry ID 1, data fork of file - arbitrary length octet string */   /* entry ID 2, resource fork - arbitrary length opaque octet string;    *              as created and managed by Mac O.S. resoure manager    */   /* entry ID 3, file's name as created on home file system - arbitrary    *              length octet string; usually short, printable ASCII    */   /* entry ID 4, standard Macintosh comment - arbitrary length octet    *              string; printable ASCII, claimed 200 chars or less    */   /* This is probably a simple duplicate of the 128 octet bitmap    * stored as the 'ICON' resource or the icon element from an 'ICN#'    * resource.    */   struct ASIconBW /* entry ID 5, standard Mac black and white icon */   {       uint32 bitrow[32]; /* 32 rows of 32 1-bit pixels */   }; /* ASIconBW */   typedef struct ASIconBW ASIconBW;   /* entry ID 6, "standard" Macintosh color icon - several competing    *              color icons are defined.  Given the copyright dates    * of the Inside Macintosh volumes, the 'cicn' resource predominated    * when the AppleSingle Developer's Note was written (most probable    * candidate).  See Inside Macintosh, Volume V, pages 64 & 80-81 forFaltstrom, Crocker & Fair                                      [Page 13]RFC 1740                  MIME-based Mac files             December 1994    * a description of 'cicn' resources.    *    * With System 7, Apple introduced icon families.  They consist of:    *      large (32x32) B&W icon, 1-bit/pixel,    type 'ICN#',    *      small (16x16) B&W icon, 1-bit/pixel,    type 'ics#',    *      large (32x32) color icon, 4-bits/pixel, type 'icl4',    *      small (16x16) color icon, 4-bits/pixel, type 'ics4',    *      large (32x32) color icon, 8-bits/pixel, type 'icl8', and    *      small (16x16) color icon, 8-bits/pixel, type 'ics8'.    * If entry ID 6 is one of these, take your pick.  See Inside    * Macintosh, Volume VI, pages 2-18 to 2-22 and 9-9 to 9-13, for    * descriptions.    */   /* entry ID 7, not used */   /* Times are stored as a "signed number of seconds before of after    * 12:00 a.m. (midnight), January 1, 2000 Greenwich Mean Time (GMT).    * Applications must convert to their native date and time    * conventions." Any unknown entries are set to 0x80000000    * (earliest reasonable time).    */   struct ASFileDates      /* entry ID 8, file dates info */   {       sint32 create; /* file creation date/time */       sint32 modify; /* last modification date/time */       sint32 backup; /* last backup date/time */       sint32 access; /* last access date/time */   }; /* ASFileDates */   typedef struct ASFileDates ASFileDates;   /* See older Inside Macintosh, Volume II, page 115 for    * PBGetFileInfo(), and Volume IV, page 155, for PBGetCatInfo().    */   /* entry ID 9, Macintosh Finder info & extended info */   struct ASFinderInfo   {       FInfo ioFlFndrInfo; /* PBGetFileInfo() or PBGetCatInfo() */       FXInfo ioFlXFndrInfo; /* PBGetCatInfo() (HFS only) */   }; /* ASFinderInfo */   typedef struct ASFinderInfo ASFinderInfo;   struct ASMacInfo        /* entry ID 10, Macintosh file information */   {Faltstrom, Crocker & Fair                                      [Page 14]RFC 1740                  MIME-based Mac files             December 1994       uchar8 filler[3]; /* filler, currently all bits 0 */       uchar8 ioFlAttrib; /* PBGetFileInfo() or PBGetCatInfo() */   }; /* ASMacInfo */   typedef struct ASMacInfo ASMacInfo;   #define AS_PROTECTED    0x0002 /* protected bit */   #define AS_LOCKED       0x0001 /* locked bit */   /* NOTE: ProDOS-16 and GS/OS use entire fields.  ProDOS-8 uses low    * order half of each item (low byte in access & filetype, low word    * in auxtype); remainder of each field should be zero filled.    */   struct ASProdosInfo     /* entry ID 11, ProDOS file information */   {       uint16 access; /* access word */       uint16 filetype; /* file type of original file */       uint32 auxtype; /* auxiliary type of the orig file */   }; /* ASProDosInfo */   typedef struct ASProdosInfo ASProdosInfo;   /* MS-DOS file attributes occupy 1 octet; since the Developer Note    * is unspecific, I've placed them in the low order portion of the    * field (based on example of other ASMacInfo & ASProdosInfo).    */   struct ASMsdosInfo      /* entry ID 12, MS-DOS file information */   {       uchar8 filler; /* filler, currently all bits 0 */       uchar8 attr; /* _dos_getfileattr(), MS-DOS */                                   /* interrupt 21h function 4300h */   }; /* ASMsdosInfo */   typedef struct ASMsdosInfo ASMsdosInfo;   #define AS_DOS_NORMAL   0x00 /* normal file (all bits clear) */   #define AS_DOS_READONLY 0x01 /* file is read-only */   #define AS_DOS_HIDDEN   0x02 /* hidden file (not shown by DIR) */   #define AS_DOS_SYSTEM   0x04 /* system file (not shown by DIR) */   #define AS_DOS_VOLID    0x08 /* volume label (only in root dir) */   #define AS_DOS_SUBDIR   0x10 /* file is a subdirectory */   #define AS_DOS_ARCHIVE  0x20 /* new or modified (needs backup) */   /* entry ID 13, short file name on AFP server - arbitrary length    *              octet string; usualy printable ASCII starting with    *              '!' (0x21)Faltstrom, Crocker & Fair                                      [Page 15]RFC 1740                  MIME-based Mac files             December 1994    */   struct ASAfpInfo   /* entry ID 12, AFP server file information */   {       uchar8 filler[3]; /* filler, currently all bits 0 */       uchar8 attr; /* file attributes */   }; /* ASAfpInfo */   typedef struct ASAfpInfo ASAfpInfo;   #define AS_AFP_Invisible    0x01 /* file is invisible */   #define AS_AFP_MultiUser    0x02 /* simultaneous access allowed */   #define AS_AFP_System       0x04 /* system file */   #define AS_AFP_BackupNeeded 0x40 /* new or modified (needs backup) */   struct ASAfpDirId       /* entry ID 15, AFP server directory ID */   {       uint32 dirid; /* file's directory ID on AFP server */   }; /* ASAfpDirId */   typedef struct ASAfpDirId ASAfpDirId;   /*    * The format of an AppleSingle/AppleDouble header    */   struct AppleSingle /* format of disk file */   {       ASHeader header; /* AppleSingle header part */       ASEntry  entry[1]; /* array of entry descriptors */   /* uchar8  filedata[];          /* followed by rest of file */   }; /* AppleSingle */   typedef struct AppleSingle AppleSingle;   /*    * FINAL REMINDER: the Motorola 680x0 is a big-endian architecture!    */   /* End of applefile.h */Faltstrom, Crocker & Fair                                      [Page 16]

⌨️ 快捷键说明

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