    db_set_sort_max_mem  123 include/dbcs.h int db_set_sort_max_mem(int, long);
    db_set_sort_max_mem  116 include/dblocal.h int db_set_sort_max_mem(int, long);
    db_set_sort_max_mem 5405 source/db.c       ret = db_set_sort_max_mem(tid, mem);
    db_set_sort_max_mem 4497 source/dbsrv.c    ret = db_set_sort_max_mem(tid, mem);
    db_set_sort_max_mem 2296 source/dbstress.c    ret = db_set_sort_max_mem(tid, mem);