connect (whatever the operation). You can use @code{select} to find out
when the operation will be possible; @pxref{Waiting for I/O}.
-@strong{Portability Note:} In older Unix many systems, this condition
+@strong{Portability Note:} In older many Unix systems, this condition
was indicated by @code{EWOULDBLOCK}, which was a distinct error code
different from @code{EAGAIN}. To make your program portable, you should
check for both codes and treat them the same.