code:struct clist - ikarishinjieva/unixV6-code-analyze-chs GitHub Wiki

7900 /*

7901 * A clist structure is the head

7902 * of a linked list queue of characters.

7903 * The characters are stored in 4-word

7904 * blocks containing a link and 6 characters.

7905 * The routines getc and putc (m45.s or m40.s)

7906 * manipulate these structures.

7907 */

7908 struct clist

7909 {

7910 int c_cc; /* character count */

队列字符数

7911 int c_cf; /* pointer to first block */

队列头指针

7912 int c_cl; /* pointer to last block */

队列尾指针

7913 };

7914 /* ------------------------- */