All symbols starting with `q' in osfmk/ddb

• qsort_check osfmk/ddb/db_sym.c:1262
• qsort_rotate osfmk/ddb/db_sym.c:1307
• qsort_search_debug osfmk/ddb/db_sym.c:1505
• qsort_swap osfmk/ddb/db_sym.c:1282