al_add_config_comment - Allegro 5 API

       Add  a  comment  in  a section of a configuration.  If the section doesn’t yet exist, it will be created.
       The section can be NULL or “” for the global section.

       The comment may or may not begin with a hash character.  Any newlines  in  the  comment  string  will  be
       replaced by space characters.

       al_add_config_comment - Allegro 5 API

al_add_config_section(3alleg5)

Allegro reference manual                                                          al_add_config_comment(3alleg5)

              #include <allegro5/allegro.h>

              void al_add_config_comment(ALLEGRO_CONFIG *config,
                 const char *section, const char *comment)