Did you read the UW IMAP toolkit FAQ?
Each of those warnings are discussed there. They are all harmless.
Please note: the [EMAIL PROTECTED] mailing list is for discussions
about the design and specification of the IMAP protocol, as opposed to
questions about specific software implementations.
news.c: In function `news_open':
news.c:309: warning: passing arg 3 of `scandir' from incompatible pointer
mh.c: In function `mh_ping':
mh.c:639: warning: passing arg 3 of `scandir' from incompatible pointer
type
mh.c: In function `mh_append':
mh.c:896: warning: passing arg 3 of `scandir' from