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- Listing 5 - Basic File System Control Structures
-
-
- /**************************************************************
- * application session/file control block structure *
- **************************************************************/
-
- typedef struct {
- int state; /* state of session */
- char sname[16]; /* server name */
- char fname[64]; /* filename name */
- char ftype[8]; /* access type */
- } RFILE;
-
-
- /**************************************************************
- * client fifo control block structure *
- **************************************************************/
-
- typedef struct {
- int afifo; /* apl fifo */
- int pid; /* apl pid */
- int link; /* link count */
- char afname[64]; /* apl fifo name */
- } C_FCB;
-
-
- /**************************************************************
- * client session control block structure *
- **************************************************************/
-
- typedef struct {
- int pid; /* apl pid */
- int fid; /* apl file id */
- int lid; /* line cntl blk id */
- int state; /* cntl blk state */
- int ssid; /* server session id */
- } C_SCB;
-
-
- /**************************************************************
- * client line control block structure *
- **************************************************************/
-
- typedef struct {
- int port; /* x.25 port id */
- int cid; /* x.25 circuit id */
- int link; /* session link count */
- char sname[16]; /* server name */
- char raddr[16]; /* server X.25 addr */
- char *cbuf; /* x.25 cmd buf ptr */
- char *rbuf; /* x.25 rsp buf ptr */
- char *dbuf; /* x.25 data buf ptr */
- } C_LCB;
-
-
- /**************************************************************
- * server line control block structure *
- **************************************************************/
-
- typedef struct {
- int port; /* x.25 port id */
- int cid; /* x.25 circuit id */
- int link; /* session link count */
- char cname[16]; /* client name */
- char raddr[16]; /* client X.25 addr */
- char *cbuf; /* x.25 cmd buf ptr */
- char *rbuf; /* x.25 rsp buf ptr */
- char *dbuf; /* x.25 data buf ptr */
- } S_LCB;
-
-
- /**************************************************************
- * server session control block structure *
- **************************************************************/
-
- typedef struct {
- int lid; /* line cntl blk id */
- FILE *fid; /* file cntl blk id */
- char fname[64]; /* file name */
- char ftype[8]; /* access type */
- int state; /* cntl blk state */
- int csid; /* client session id */
- } S_SCB;
-
-