Searched refs:REX_NULL (Results 1 – 3 of 3) sorted by relevance
82 #define REX_NULL 0 /* null string (internal) */ macro
319 if (e->type == REX_NULL) in cat()324 if (f->type == REX_NULL) in cat()2707 return node(env, REX_NULL, 0, 0, 0); in seq()2730 if (e->type == REX_NULL && env->type == ERE && !(env->flags & (REG_NULL|REG_REGEXP))) in seq()2907 if (e->type == REX_NULL) in alt()2918 if ((e->type == REX_NULL || f->type == REX_NULL) && !(env->flags & (REG_NULL|REG_REGEXP))) in alt()3190 case REX_NULL: in special()
1478 case REX_NULL: in parse()