compilers/linux86-0.16.17/libc/bios/io.h

   1 #ifndef __io_h__
   2 #define __io_h__
   3
   4 typedef struct {
   5     /*
   6      * both block_read/block_write should be defined as
   7      * int x(ioblock* iob, char* buffer, int blockno)
   8      * and it reads/writes 1k blocks
   9      *
  10      * close should be defined as int x(ioblock* ioblock);
  11      */
  12     int (*block_read)();        /* read routine */
  13     int (*block_write)();       /* write routine - not supported yet*/
  14     int (*close)();             /* close routine */
  15     long offset;                /* current offset in file to read/write */
  16     int flags;
  17     long amount_left;           /* amount left in buffer */
  18     char buffer[1024];
  19     void* context;
  20 } ioblock;
  21
  22 #endif