pid_split
if (pid_split(pid, &upper1, &upper2, &lower) < 0)
if (pid_split(pid, &upper1, &upper2, &lower) < 0)
if (pid_split(pid, &upper1, &upper2, &lower) < 0)
if (pid_split(pid, &upper1, &upper2, &lower) < 0)