Some style and "look" fixes

Reviewed by:	mpp

lib/libc/sys/getdtablesize.2

@@ -56,6 +56,6 @@ returns the size of this table.
 .Xr select 2
 .Sh HISTORY
 The
-.Nm
+.Fn getdtablesize
 function call appeared in
 .Bx 4.2 .

lib/libc/sys/getlogin.2

@@ -58,7 +58,7 @@ and is inherited by all processes descended from the login shell.
 (This is true even if some of those processes assume another user ID,
 for example when
 .Xr su 1
-is used.)
+is used).
 .Pp
 .Fn Setlogin
 sets the login name of the user associated with the current session to

lib/libc/sys/gettimeofday.2

@@ -59,7 +59,9 @@ call, and set with the
 call.  The time is expressed in seconds and microseconds
 since midnight (0 hour), January 1, 1970.  The resolution of the system
 clock is hardware dependent, and the time may be updated continuously or
-in ``ticks.''  If
+in
+.Dq ticks .
+If
 .Fa tp
 or
 .Fa tzp

lib/libc/sys/issetugid.2

@@ -47,7 +47,9 @@
 The
 .Fn issetugid
 function returns 1 if the process environment or memory address space
-is considered ``tainted'', and returns 0 otherwise.
+is considered
+.Dq tainted ,
+and returns 0 otherwise.
 .Pp
 A process is tainted if it was created as a result of an
 .Xr execve 2
@@ -61,13 +63,16 @@ that was obtained from the user, in particular the results from
 .Xr getenv 3
 should be viewed with suspicion if it is used to control operation.
 .Pp
-A ``tainted'' status is inherited by child processes as a result of the
+A
+.Dq tainted
+status is inherited by child processes as a result of the
 .Xr fork 2
 system call (or other library code that calls fork, such as
 .Xr popen 3 ) .
 .Pp
 It is assumed that a program that clears all privileges as it prepares
-to execute another will also reset the environment, hence the ``tainted''
+to execute another will also reset the environment, hence the
+.Dq tainted
 status will not be passed on.  This is important for programs such as
 .Xr su 1
 which begin setuid but need to be able to create an untainted process.

lib/libc/sys/ktrace.2

@@ -162,6 +162,6 @@ support.
 .Xr ktrace 1
 .Sh HISTORY
 A
-.Nm ktrace
+.Fn ktrace
 function call first appeared in
 .Bx 4.4 .

lib/libc/sys/quotactl.2

@@ -67,15 +67,20 @@ The address of an optional command specific data structure,
 may be given; its interpretation
 is discussed below with each command.
 .Pp
-Currently quotas are supported only for the ``ufs'' filesystem.
-For ``ufs'',
+Currently quotas are supported only for the
+.Dq ufs
+filesystem.
+For
+.Dq ufs ,
 a command is composed of a primary command (see below)
 and a command type used to interpret the
 .Fa id .
 Types are supported for interpretation of user identifiers (USRQUOTA)
 and group identifiers (GRPQUOTA).
-The ``ufs'' specific commands are:
-.Bl -tag -width Q_QUOTAON
+The
+.Dq ufs
+specific commands are:
+.Bl -tag -width Q_QUOTAOFFxx
 .It Dv Q_QUOTAON
 Enable disk quotas for the filesystem specified by
 .Fa path .

lib/libc/sys/recv.2

@@ -121,6 +121,7 @@ one or more of the values:
 .It Dv MSG_PEEK Ta peek at incoming message
 .It Dv MSG_WAITALL Ta wait for full request or error
 .El
+.Pp
 The
 .Dv MSG_OOB
 flag requests receipt of out-of-band data
@@ -183,6 +184,7 @@ struct cmsghdr {
 /* followed by
 	u_char	cmsg_data[]; */
 };
+.Pp
 .Ed
 As an example, one could use this to learn of changes in the data-stream
 in XNS/SPP, or in ISO, to obtain user-connection-request data by requesting

lib/libc/sys/rtprio.2

@@ -98,7 +98,7 @@ The specified process was not found.
 The original author was
 .An Henrik Vestergaard Draboel Aq hvd@terry.ping.dk .
 This implementation in
-.Bx Free
+.Fx
 was substantially rewritten by
 .An David Greenman .
 .Sh SEE ALSO

lib/libc/sys/sigreturn.2

@@ -40,6 +40,7 @@
 .Nd return from signal
 .Sh SYNOPSIS
 .Fd #include <signal.h>
+.Pp
 .Bd -literal
 struct	sigcontext {
 	int	sc_onstack;		/* sigstack state to restore */