s_ll_port_exist   171 source/socloc.c int s_ll_port_exist(int);
s_ll_port_exist  1290 source/socloc.c    if ((ret = s_ll_port_exist(port)) != SL_OK)
s_ll_port_exist  2772 source/socloc.c    if ((ret = s_ll_port_exist(port_num)) != SL_OK)