K 10
svn:author
V 6
eadler
K 8
svn:date
V 27
2018-06-27T04:56:01.682726Z
K 7
svn:log
V 257
MFC r302776, r302799:

mail(1): Bring some fixes from other BSDs.

- Use varargs properly
- Use pid_t
- Better handling of error conditions on forked jobs.
- Some prototype and warning cleanups.

Fix missing forked job changes from r302776 in wait_child().

END