rctlctl
if (rctlctl(rctl_name, gblk, RCTLCTL_GET) == -1) {
if (rctlctl(name, (rctlblk_t *)gblk,
if (rctlctl(rctl_name, (rctlblk_t *)gblk, RCTLCTL_GET) == -1)
if (rctlctl(rctl_name, (rctlblk_t *)gblk, RCTLCTL_SET) == -1) {
if (rctlctl(rctl_name, gblk, RCTLCTL_GET) == -1) {
extern int rctlctl(const char *, rctlblk_t *, int);