usage_func         50 maint/gnulib/lib/long-options.c                     void (*usage_func) (int),
usage_func         67 maint/gnulib/lib/long-options.c           (*usage_func) (EXIT_SUCCESS);
usage_func         73 maint/gnulib/lib/long-options.c             va_start (authors, usage_func);
usage_func        104 maint/gnulib/lib/long-options.c                                  void (*usage_func) (int),
usage_func        120 maint/gnulib/lib/long-options.c           (*usage_func) (EXIT_SUCCESS);
usage_func        126 maint/gnulib/lib/long-options.c             va_start (authors, usage_func);
usage_func        132 maint/gnulib/lib/long-options.c           (*usage_func) (exit_failure);
usage_func         39 maint/gnulib/lib/long-options.h                                       void (*usage_func) (int),