Neither getgrnam(3) nor getpwnam(3) set errno on failure. Use errx(3) instead of err(3).
Neither getgrnam(3) nor getpwnam(3) set errno on failure. Use
errx(3) instead of err(3).

dsanders11/rtpproxy,sippy/rtpproxy,dsanders11/rtpproxy,dsanders11/rtpproxy,sippy/rtpproxy,sippy/rtpproxy