rump_sys_pipe
if ((rv = rump_sys_pipe(rpipe)) == -1) {
int rump_sys_pipe(int *);
int rump_sys_pipe(int *);
__weak_alias(pipe,rump_sys_pipe);
__weak_alias(_pipe,rump_sys_pipe);
__strong_alias(_sys_pipe,rump_sys_pipe);
if (rump_sys_pipe(fd) == -1)
RL(rump_sys_pipe(fd));
RL(rump_sys_pipe(fd));
if (rump_sys_pipe(p1) == -1)
if (rump_sys_pipe(p2) == -1)
if (rump_sys_pipe(pipetti) == -1)