PTP_CLOCK_NAME_LEN
snprintf(vclock->info.name, PTP_CLOCK_NAME_LEN, "ptp%d_virt",
char name[PTP_CLOCK_NAME_LEN] = "";
snprintf(name, PTP_CLOCK_NAME_LEN, "ptp%d", pclock_index);
char ptp_clock_name[PTP_CLOCK_NAME_LEN];
snprintf(ptp_clock_name, PTP_CLOCK_NAME_LEN,
char name[PTP_CLOCK_NAME_LEN];