Lines Matching defs:NULL
191 #ifndef NULL
192 #define NULL 0
338 int length; /* Number of non-NULL characters in the
341 * string and its terminating NULL char. */
483 * hash bucket, or NULL for end of
513 * bucket's hash chain, or NULL. */
604 struct Tcl_Event *nextPtr; /* Next in list of pending events, or NULL. */
699 * raw channel. May be NULL. */
707 * on the channel. May be NULL. */
719 * or NULL if not supported. */