1.1 --- a/src/optcfg.h	Sat Nov 14 14:12:30 2015 +0200
     1.2 +++ b/src/optcfg.h	Fri Nov 20 17:05:39 2015 +0200
     1.3 @@ -50,6 +50,15 @@
     1.4  int optcfg_parse_config_line(struct optcfg *oc, const char *line);
     1.5  /* TODO custom I/O callback version of config file parsing */
     1.6  
     1.7 +/* special value function which returns if the option is enabled or disabled
     1.8 + * For config files it works similar to calling optcfg_next_value, and
     1.9 + * optcfg_bool_value in sequence.
    1.10 + * For argument parsing however, it doesn't consume further arguments. Merely
    1.11 + * the presence of the option makes it enabled, and its presence with a -no-
    1.12 + * prefix disables it. (TODO the second part of this)
    1.13 + */
    1.14 +int optcfg_enabled_value(struct optcfg *oc, int *enabledp);
    1.15 +
    1.16  /* call optcfg_next_value in the option callback to retrieve the next value
    1.17   * of the current option. returns 0 if there is no next value.
    1.18   */