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NetBSD 6.1.5 - man page for ttyldisc_remove (netbsd section 9)

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LINEDISC(9)			  BSD Kernel Developer's Manual 		      LINEDISC(9)

     linedisc, ttyldisc_add, ttyldisc_lookup, ttyldisc_remove -- extensible line discipline

     #include <sys/conf.h>

     ttyldisc_add(struct linesw *disc, int no);

     struct linesw *
     ttyldisc_remove(const char *name);

     struct linesw *
     ttyldisc_lookup(const char *name);

     The NetBSD TTY line discipline framework allows extensibility.  Modules that need special
     line disciplines can add them as convenient and do not need to modify tty_conf.c.	Line dis-
     ciplines are now managed by a string, rather than number.

     Once the framework has been initialized, a new line discipline can be added by creating and
     initializing a struct linesw and calling ttyldisc_add().

     The following is a brief description of each function in the framework:

     ttyldisc_add()	Register a line discipline.  The l_name field of the struct linesw should
			point to a string which is to be the symbolic name of that line disci-
			pline.	For compatibility purposes, a line discipline number can be
			passed in no, but for new disciplines this should be set to -1.

     ttyldisc_lookup()	Look up a line discipline by name.  NULL is returned if it can not be

     ttyldisc_remove()	Remove a line discipline called name and return a pointer to it.  If the
			discipline cannot be found or removed ttyldisc_remove() will return NULL.


     The linedisc functions were added in NetBSD 1.6.

     The NetBSD extensible line discipline framework was created by Eduardo Horvath

BSD					 November 1, 2000				      BSD
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