str_create_key    512 lib/strutil.h  char *str_create_key (const char *text, gboolean case_sen);
str_create_key    383 src/filemanager/dir.c             a->extension_sort_key = str_create_key (extension (a->fname->str), case_sensitive);
str_create_key    385 src/filemanager/dir.c             b->extension_sort_key = str_create_key (extension (b->fname->str), case_sensitive);