1 /* 2 char id_ttynam[] = "@(#)ttynam_.c 1.1"; 3 * 4 * Return name of tty port associated with lunit 5 * 6 * calling sequence: 7 * character*19 string, ttynam 8 * string = ttynam (lunit) 9 * where: 10 * the character string will be filled with the name of 11 * the port, preceded with '/dev/', and blank padded. 12 * (19 is the max length ever required) 13 */ 14 15 #include "../libI77/fiodefs.h" 16 17 extern unit units[]; 18 19 ttynam_(name, strlen, lu) 20 char *name; long strlen; long *lu; 21 { 22 char *t = NULL, *ttyname(); 23 24 if (0 <= *lu && *lu < MXUNIT && units[*lu].ufd) 25 t = ttyname(fileno(units[*lu].ufd)); 26 if (t == NULL) 27 t = ""; 28 b_char(t, name, strlen); 29 } 30