Revision 807a91b7a697e6dee1e41babc4c12ad8d73a4ac1 authored by Ken Thompson on 06 November 1973, 02:13:05 UTC, committed by Ken Thompson on 06 November 1973, 02:13:05 UTC
Work on file man/man5/core.5 Co-Authored-By: Dennis Ritchie <dmr@research.uucp> Synthesized-from: v4
1 parent 14428c7
buf.h
struct buf {
int b_flags;
struct buf *b_forw;
struct buf *b_back;
struct buf *av_forw;
struct buf *av_back;
int b_dev;
int b_wcount;
char *b_addr;
char *b_blkno;
} buf[NBUF];
/*
* forw and back are shared with "buf" struct.
*/
struct devtab {
char d_active;
char d_errcnt;
struct buf *b_forw;
struct buf *b_back;
struct buf *d_actf;
struct buf *d_actl;
} devtab[NMAJ];
struct buf bfreelist;
#define B_READ 01
#define B_DONE 02
#define B_ERROR 04
#define B_BUSY 010
#define B_XMEM 060
#define B_WANTED 0100
#define B_RELOC 0200
#define B_ASYNC 0400
#define B_DELWRI 01000
Computing file changes ...
