2 * Copyright (c) 1990, 1993
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29 * @(#)clist.h 8.1 (Berkeley) 6/4/93
36 #include <sys/param.h>
39 * Clists are character lists, which is a variable length linked list
40 * of cblocks, with a count of the number of characters in the list.
43 int c_cc; /* Number of characters in the clist. */
44 int c_cbcount; /* Number of cblocks. */
45 int c_cbmax; /* Max # cblocks allowed for this clist. */
46 int c_cbreserved; /* # cblocks reserved for this clist. */
47 char *c_cf; /* Pointer to the first cblock. */
48 char *c_cl; /* Pointer to the last cblock. */
52 struct cblock *c_next; /* next cblock in queue */
53 unsigned char c_info[CBSIZE]; /* characters */
57 extern int cfreecount;
59 int b_to_q(char *cp, int cc, struct clist *q);
60 void clist_alloc_cblocks(struct clist *q, int ccmax, int ccres);
61 void clist_free_cblocks(struct clist *q);
62 int getc(struct clist *q);
63 void ndflush(struct clist *q, int cc);
64 int putc(char c, struct clist *q);
65 int q_to_b(struct clist *q, char *cp, int cc);
66 int unputc(struct clist *q);