Comment changes
authorrms <rms>
Sat, 24 Oct 1992 22:46:39 +0000 (22:46 +0000)
committerrms <rms>
Sat, 24 Oct 1992 22:46:39 +0000 (22:46 +0000)
commit6922ab295ca822afde7d444fdce16480ad4b05d3
treeeffc13fcaa2ea62b103b0844ba1b03ffab74a89e
parentb186c52e76650761f96a8e3517d7fcfc6e54e41b
Comment changes
Rewrite dup and dup2 section.
Explain no need to reset file position in append-type channel
before using it.

(read, write): Explain how EWOULDBLOCK relates to EAGAIN.
(lseek): Does not extend the file.
(FD_SETSIZE): Explain some systems don't have a hard limit on descriptors.
(select): Explain meaning of zero as timeout value.
(F_SETLK): EACCES and EAGAIN are synonymous here.
manual/llio.texi