-extern unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule,
- FILE *stream, const char *set,
- const char *reset, const char *ws);
+extern unsigned ws_check(const char *line, int len, unsigned ws_rule);
+extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws);