kern_proc_filedesc_out
kern_proc_filedesc_out(p, sb, -1, filedesc_flags);
kern_proc_filedesc_out(p, sb, *sizep - sizeof(structsize),
error = kern_proc_filedesc_out(p, &sb, maxlen,
int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen,