str_is_valid_char  258 lib/strutil.h  int str_is_valid_char (const char *ch, size_t size);
str_is_valid_char  314 lib/widget/input.c     res = str_is_valid_char (in->charbuf, in->charpoint);
str_is_valid_char 1103 lib/widget/input_complete.c                 switch (str_is_valid_char (buff, bl))
str_is_valid_char  537 src/editor/editwidget.c             res = str_is_valid_char (edit->charbuf, edit->charpoint);
str_is_valid_char 2653 src/filemanager/panel.c             switch (str_is_valid_char (panel->search_char, panel->search_chpoint))