CHAR_CLASS_MAX_LENGTH 1782 libglibc/regex.c #  define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
CHAR_CLASS_MAX_LENGTH 1786 libglibc/regex.c #  define CHAR_CLASS_MAX_LENGTH 256
CHAR_CLASS_MAX_LENGTH 1795 libglibc/regex.c # define CHAR_CLASS_MAX_LENGTH  6 /* Namely, `xdigit'.  */