.B EAGAIN
and
.BR EWOULDBLOCK ,
-which may be the same. On Linux, these two always have the same value.
+which may be the same.
+On Linux, these two have the same value on all architectures.
.PP
The error numbers that correspond to each symbolic name
vary across UNIX systems,
Resource deadlock avoided (POSIX.1-2001).
.TP
.B EDEADLOCK
-On most platforms, a synonym for
+On most architectures, a synonym for
.BR EDEADLK .
-On some (e.g. Linux mips, powerpc, sparc), it is a separate error code "File locking deadlock error".
+On some architectures (e.g., Linux MIPS, PowerPC, SPARC),
+it is a separate error code "File locking deadlock error".
.TP
.B EDESTADDRREQ
Destination address required (POSIX.1-2001).