2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.2 1994-11-04 13:21:21 quinn
10 * Revision 1.1 1994/11/03 14:13:22 quinn
11 * Result set manipulation
18 typedef struct rset_control
20 char *desc; /* text description of set type (for debugging) */
21 char *buf; /* state data stored by subsystem */
22 struct rset_control *(*f_create)(const struct rset_control *sel, void *parms);
23 int (*f_open)(struct rset_control *ct, int wflag);
24 void (*f_close)(struct rset_control *ct);
25 void (*f_delete)(struct rset_control *ct);
26 void (*f_rewind)(struct rset_control *ct);
27 int (*f_count)(struct rset_control *ct);
28 int (*f_read)(struct rset_control *ct, void *buf);
29 int (*f_write)(struct rset_control *ct, const void *buf);
35 rset_control *control;
38 RSET rset_create(const rset_control *sel, void *parms); /* parameters? */
40 /* int rset_open(RSET rs, int wflag); */
41 #define rset_open(rs, wflag) ((*(rs)->control->f_open)((rs)->control, (wflag)))
43 /* void rset_close(RSET rs); */
44 #define rset_close(rs) ((*(rs)->control->f_close)((rs)->control))
46 void rset_delete(RSET rs);
48 /* void rset_rewind(RSET rs); */
49 #define rset_rewind(rs, wflag) ((*(rs)->control->f_rewind)((rs)->control))
51 /* int rset_count(RSET rs); */
52 #define rset_count(rs, wflag) ((*(rs)->control->f_count)((rs)->control))
54 int rset_read(RSET rs, void *buf); /* change parameters */
55 int rset_write(RSET rs, void *buf); /* change parameters */