PLIST_INSERT_BEFORE  38 libproff/list.h #define PLIST_INSERT_TAIL(l, e) PLIST_INSERT_BEFORE((l), (e))
PLIST_INSERT_BEFORE  67 libproff/list_test.c     PLIST_INSERT_BEFORE(sl2, strl_new(" to"));
PLIST_INSERT_BEFORE  68 libproff/list_test.c     PLIST_INSERT_BEFORE(PLIST_FIRST(sl), strl_new("I cannot authorise"));