match_char
match_char(state, def, base, next, check, c);
match_char(state, def, base, next, check, (u8) *str);
match_char(state, def, base, next, check, c);
match_char(state, def, base, next, check, (u8) *str);
match_char(state, def, base, next, check, equiv[(u8) c]);
match_char(state, def, base, next, check, (u8) c);
match_char(state, def, base, next, check, -1);