1 /* SCCS Id: @(#)multi.h 3.1 93/01/08 2 /* Copyright (c) Kenneth Lorber, Bethesda, Maryland, 1992, 1993 */ 3 /* NetHack may be freely redistributed. See license for details. */ 4 5 /* 6 * external definitions for multi-file file handling package. 7 * NB - internal structure under development. End users should NOT 8 * get too creative! 9 */ 10 11 union multiopts { 12 struct mo_read { 13 char mor_tag; /* tag character for this open */ 14 }r; 15 struct mo_write { 16 char dummy; /* (no write in this version) */ 17 }w; 18 }; 19 20 struct multifh { 21 unsigned long mfh_fh; /* AmigaDOS file handle of current segment */ 22 unsigned long mfh_dirfh;/* AmigaDOS file handle of direction file */ 23 union multiopts mfh_mo; /* copy from MultiOpen */ 24 struct mfh_flags { 25 int version:8; /* not used yet */ 26 int flags:24; /* not used yet */ 27 }; 28 }; 29 30 typedef union multiopts multiopts; 31 typedef struct multifh multifh; 32 33 extern BPTR MultiOpen(char *, ULONG, multiopts *); 34 extern ULONG MultiRead(BPTR, void *, ULONG); 35 extern void MultiClose(BPTR); 36