2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.3 1994-11-22 13:15:27 quinn
10 * Revision 1.2 1994/11/04 13:21:21 quinn
13 * Revision 1.1 1994/11/03 14:13:22 quinn
14 * Result set manipulation
21 typedef struct rset_control
23 char *desc; /* text description of set type (for debugging) */
24 char *buf; /* state data stored by subsystem */
25 struct rset_control *(*f_create)(const struct rset_control *sel, void *parms);
26 int (*f_open)(struct rset_control *ct, int wflag);
27 void (*f_close)(struct rset_control *ct);
28 void (*f_delete)(struct rset_control *ct);
29 void (*f_rewind)(struct rset_control *ct);
30 int (*f_count)(struct rset_control *ct);
31 int (*f_read)(struct rset_control *ct, void *buf);
32 int (*f_write)(struct rset_control *ct, const void *buf);
38 rset_control *control;
41 RSET rset_create(const rset_control *sel, void *parms); /* parameters? */
43 /* int rset_open(RSET rs, int wflag); */
44 #define rset_open(rs, wflag) ((*(rs)->control->f_open)((rs)->control, (wflag)))
46 /* void rset_close(RSET rs); */
47 #define rset_close(rs) ((*(rs)->control->f_close)((rs)->control))
49 void rset_delete(RSET rs);
51 /* void rset_rewind(RSET rs); */
52 #define rset_rewind(rs, wflag) ((*(rs)->control->f_rewind)((rs)->control))
54 /* int rset_count(RSET rs); */
55 #define rset_count(rs, wflag) ((*(rs)->control->f_count)((rs)->control))
57 /* int rset_read(RSET rs, void *buf); */ /* change parameters */
58 #define rset_read(rs, buf) ((*(rs)->control->f_read)((rs)->control, (buf)))
61 int rset_write(RSET rs, void *buf); /* change parameters */