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The Datafile PD-CD 4
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DATAFILE_PDCD4.iso
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set
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1992-07-21
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1KB
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45 lines
/* > H.Set - Set data type header file */
#ifndef __set_h
#define __set_h
struct set
{
void *first; /* pointer to first element of set */
int obj_size; /* size of one element */
};
typedef struct set *set;
/* General component routines */
set set_new (int obj_len);
void set_free (set s);
void set_clear (set s);
int set_copy (set s1, const set s2);
int set_equal (const set s1, const set s2);
int set_empty (const set s);
int set_size (const set s);
/* Iterator */
#define STATUS_CONTINUE 0 /* Continue processing */
#define STATUS_STOP 1 /* Stop processing */
#define STATUS_ERROR (-1) /* Error - terminate */
int set_iterate (const set s, int (*process)(void *));
/* Set-specific routines */
int set_add (set s, const void *object);
int set_remove (set s, const void *object);
int set_member (const set s, const void *object);
int set_union (set s, const set t, const set u);
int set_intersection (set s, const set t, const set u);
int set_difference (set s, const set t, const set u);
int set_subset (const set s1, const set s2);
int set_proper_subset (const set s1, const set s2);
#endif