Markup, grammar, and spelling fixes.

lib/libc/gen/vis.3

@@ -138,8 +138,14 @@ The following flags
 alter this:
 .Bl -tag -width VIS_WHITEX
 .It Dv VIS_GLOB
-Also encode magic characters ('*', '?', '[' and '#') recognized by
+Also encode magic characters
-.Xr glob 3
+.Ql ( * ,
+.Ql \&? ,
+.Ql \&[
+and
+.Ql # )
+recognized by
+.Xr glob 3 .
 .It Dv VIS_SP
 Also encode space.
 .It Dv VIS_TAB

lib/libc/locale/ctype.3

@@ -126,10 +126,10 @@ See the specific manual pages for more information.
 .Xr isgraph 3 ,
 .Xr isideogram 3 ,
 .Xr islower 3 ,
-.Xr isrune 3 ,
 .Xr isphonogram 3 ,
 .Xr isprint 3 ,
 .Xr ispunct 3 ,
+.Xr isrune 3 ,
 .Xr isspace 3 ,
 .Xr isspecial 3 ,
 .Xr isupper 3 ,

lib/libc/locale/multibyte.3

@@ -51,7 +51,7 @@
 .Sh DESCRIPTION
 The basic elements of some written natural languages, such as Chinese,
 cannot be represented uniquely with single C
-.Va char Ns s .
+.Vt char Ns s .
 The C standard supports two different ways of dealing with
 extended natural language encodings:
 wide characters and
@@ -59,10 +59,10 @@ multibyte characters.
 Wide characters are an internal representation
 which allows each basic element to map
 to a single object of type
-.Va wchar_t .
+.Vt wchar_t .
 Multibyte characters are used for input and output
 and code each basic element as a sequence of C
-.Va char Ns s .
+.Vt char Ns s .
 Individual basic elements may map into one or more
 (up to
 .Dv MB_LEN_MAX )
@@ -75,7 +75,7 @@ The locale category
 .Dv LC_CTYPE
 specifically controls this interpretation.
 The
-.Va wchar_t
+.Vt wchar_t
 type is wide enough to hold the largest value
 in the wide character representations for all locales.
 .Pp
@@ -89,17 +89,17 @@ but are lumped with a neighboring character.
 There is always a distinguished
 .Sq initial
 shift state.
-Some functions (e.g.
+Some functions (e.g.,
-.Fn mblen ,
+.Xr mblen 3 ,
-.Fn mbtowc
+.Xr mbtowc 3
 and
-.Fn wctomb )
+.Xr wctomb 3 )
 maintain static shift state internally, whereas
-others store in an
+others store it in an
 .Vt mbstate_t
 object passed by the caller.
 Shift states are undefined after a call to
-.Fn setlocale
+.Xr setlocale 3
 with the
 .Dv LC_CTYPE
 or
@@ -118,22 +118,22 @@ Null bytes are not permitted within multibyte characters.
 The C library provides the following functions for dealing with
 multibyte characters:
 .Bl -column "Description"
-.It Sy "Function       Description"
+.It Sy "Function	Description"
-.It "mblen	get number of bytes in a character"
+.It Xr mblen 3 Ta "get number of bytes in a character"
-.It "mbrlen	get number of bytes in a character (restartable)"
+.It Xr mbrlen 3 Ta "get number of bytes in a character (restartable)"
-.It "mbrtowc	convert a character to a wide-character code (restartable)"
+.It Xr mbrtowc 3 Ta "convert a character to a wide-character code (restartable)"
-.It "mbsrtowcs	convert a character string to a wide-character string (restartable)"
+.It Xr mbsrtowcs 3 Ta "convert a character string to a wide-character string (restartable)"
-.It "mbstowcs	convert a character string to a wide-character string"
+.It Xr mbstowcs 3 Ta "convert a character string to a wide-character string"
-.It "mbtowc	convert a character to a wide-character code"
+.It Xr mbtowc 3 Ta "convert a character to a wide-character code"
-.It "wcrtomb	convert a wide-character code to a character (restartable)"
+.It Xr wcrtomb 3 Ta "convert a wide-character code to a character (restartable)"
-.It "wcstombs	convert a wide-character string to a character string"
+.It Xr wcstombs 3 Ta "convert a wide-character string to a character string"
-.It "wcsrtombs	convert a wide-character string to a character string (restartable)"
+.It Xr wcsrtombs 3 Ta "convert a wide-character string to a character string (restartable)"
-.It "wctomb	convert a wide-character code to a character"
+.It Xr wctomb 3 Ta "convert a wide-character code to a character"
 .El
 .Sh SEE ALSO
 .Xr mklocale 1 ,
-.Xr stdio 3 ,
 .Xr setlocale 3 ,
+.Xr stdio 3 ,
 .Xr big5 5 ,
 .Xr euc 5 ,
 .Xr gb18030 5 ,

lib/libc/net/getipnodebyname.3

@@ -458,7 +458,7 @@ are documented in
 Although the current implementation is otherwise thread-safe, using
 it in conjunction with
 .Fn gethostby*
-(see 
+(see
 .Xr gethostbyname 3 )
 or
 .Xr yp 8

lib/libc/net/inet.3

@@ -243,7 +243,11 @@ call fails if:
 was not large enough to store the presentation form of the address.
 .It Bq Er EAFNOSUPPORT
 .Fa *src
-was not an AF_INET or AF_INET6 family address.
+was not an
+.Dv AF_INET
+or
+.Dv AF_INET6
+family address.
 .El
 .Sh SEE ALSO
 .Xr addr2ascii 3 ,

lib/libc/net/resolver.3

@@ -399,7 +399,7 @@ to a buffer pointed to by
 .Sh RETURN VALUES
 The
 .Fn res_init
-function will return 0 on success, or -1 in a threaded program if
+function will return 0 on success, or \-1 in a threaded program if
 per-thread storage could not be allocated.
 .Sh IMPLEMENTATION NOTES
 This implementation of the resolver is thread-safe, but it will not

lib/libc/posix1e/mac_get.3

@@ -37,6 +37,8 @@
 .Nm mac_get_file ,
 .Nm mac_get_link ,
 .Nm mac_get_fd ,
+.Nm mac_get_peer ,
+.Nm mac_get_pid ,
 .Nm mac_get_proc
 .Nd get the label of a file, socket, socket peer or process
 .Sh LIBRARY
@@ -61,7 +63,7 @@ The
 system call returns the label associated with a file specified by
 pathname.
 The
-.Fn mac_get_link 
+.Fn mac_get_link
 function is the same as
 .Fn mac_get_file ,
 except that it does not follow symlinks.
@@ -86,7 +88,7 @@ The
 and
 .Fn mac_get_proc
 system calls return the process label associated with an arbitrary
-process id, or the current process.
+process ID, or the current process.
 .Pp
 Label storage for use with these calls must first be allocated and
 prepared using the

lib/libc/posix1e/mac_text.3

@@ -84,7 +84,7 @@ implementation, they must be freed using
 as
 .Xr mac_free 3
 is used only to free memory used for type
-.Dv mac_t .
+.Vt mac_t .
 .Sh ERRORS
 .Bl -tag -width Er
 .It Bq Er ENOMEM

lib/libc/stdio/printf.3

@@ -549,10 +549,9 @@ to represent the hex digits, and the letter
 to separate the mantissa and exponent.
 .Pp
 Note that there may be multiple valid ways to represent floating-point
-numbers in this hexadecimal format.  For example,
+numbers in this hexadecimal format.
-.Li 0x3.24p+0
+For example,
-and
+.Li 0x3.24p+0 , 0x6.48p-1
-.Li 0x6.48p-1
 and
 .Li 0xc.9p-2
 are all equivalent.

lib/libc/string/ffs.3

@@ -34,7 +34,7 @@
 .\"     @(#)ffs.3	8.2 (Berkeley) 4/19/94
 .\" $FreeBSD$
 .\"
-.Dd April 19, 1994
+.Dd January 13, 2004
 .Dt FFS 3
 .Os
 .Sh NAME

lib/libc/sys/kqueue.2

@@ -120,7 +120,7 @@ is zero,
 will return immediately even if there is a
 .Fa timeout
 specified unlike
-.Xr select  2 .
+.Xr select 2 .
 If
 .Fa timeout
 is a non-NULL pointer, it specifies a maximum interval to wait
@@ -345,7 +345,7 @@ The file referenced by the descriptor was renamed.
 .It NOTE_REVOKE
 Access to the file was revoked via
 .Xr revoke 2
-or the underlying filesystem was unmounted.
+or the underlying file system was unmounted.
 .El
 .Pp
 On return,
@@ -530,7 +530,7 @@ It is currently not possible to watch a
 that resides on anything but
 a UFS file system.
 .Pp
-The 
+The
 .Dv EVFILT_NETDEV
 filter is currently only implemented for devices that use the
 .Xr miibus 4

lib/libc/sys/mount.2

@@ -82,24 +82,24 @@ The
 .Fn nmount
 system call behaves similarly to
 .Fn mount ,
-except that the mount options (filesystem type name, device to mount,
+except that the mount options (file system type name, device to mount,
 mount-point name, etc.) are passed as an array of name-value pairs
 in the array
 .Fa iov ,
 containing
 .Fa niov
 elements.
-The following options are required by all filesystems:
+The following options are required by all file systems:
 .Bl -item -offset indent -compact
 .It
-.Li fstype Ta filesystem type name (e.g. Dq Li procfs )
+.Li fstype Ta file system type name (e.g., Dq Li procfs )
 .It
-.Li fspath Ta mount point pathname (e.g. Dq Li /proc )
+.Li fspath Ta mount point pathname (e.g., Dq Li /proc )
 .El
 .Pp
-Depending on the filesystem type, other options may be
+Depending on the file system type, other options may be
 recognized or required;
-for example, most disk-based filesystems require a
+for example, most disk-based file systems require a
 .Dq Li from
 option containing the pathname of a special device
 in addition to the options listed above.

lib/libc/sys/msync.2

@@ -65,11 +65,15 @@ succeeding locations will be examined.
 The
 .Fa flags
 argument may be specified as follows:
-.Bd -literal
+.Pp
-MS_ASYNC	Return immediately
+.Bl -tag -width ".Dv MS_INVALIDATE" -compact
-MS_SYNC		Perform synchronous writes
+.It Dv MS_ASYNC
-MS_INVALIDATE	Invalidate all cached data
+Return immediately
-.Ed
+.It Dv MS_SYNC
+Perform synchronous writes
+.It Dv MS_INVALIDATE
+Invalidate all cached data
+.El
 .Sh RETURN VALUES
 .Rv -std msync
 .Sh ERRORS
@@ -80,7 +84,8 @@ will fail if:
 .Bl -tag -width Er
 .It Bq Er EBUSY
 Some or all of the pages in the specified region are locked and
-MS_INVALIDATE is specified.
+.Dv MS_INVALIDATE
+is specified.
 .It Bq Er EINVAL
 The
 .Fa addr

lib/libc/sys/open.2

@@ -246,7 +246,7 @@ or
 .Dv O_EXLOCK
 is specified but the underlying file system does not support locking.
 .It Bq Er EOPNOTSUPP
-The named file is a special file mounted through a filesystem that
+The named file is a special file mounted through a file system that
 does not support access to it (e.g. NFS).
 .It Bq Er EWOULDBLOCK
 .Dv O_NONBLOCK

lib/libc/sys/poll.2

@@ -176,7 +176,7 @@ The specified time limit is negative.
 .Sh SEE ALSO
 .Xr accept 2 ,
 .Xr connect 2 ,
-.Xr kqueue 2 , 
+.Xr kqueue 2 ,
 .Xr read 2 ,
 .Xr recv 2 ,
 .Xr select 2 ,

lib/libc/sys/ptrace.2

@@ -34,7 +34,8 @@ issue a series of
 system calls to control the execution of the process, as well as access
 process memory and register state.
 For the duration of the tracing session, the traced process will be
-"re-parented", with its parent process id (and resulting behavior)
+.Dq re-parented ,
+with its parent process ID (and resulting behavior)
 changed to the tracing process.
 It is permissible for a tracing process to attach to more than one
 other process at a time.
@@ -61,7 +62,7 @@ as a result of attaching, system calls, or stepping by the tracing
 process.
 The tracing process may choose to intercept the signal, using it to
 observe process behavior (such as
-.Dv SIGTRAP ),
+.Dv SIGTRAP ) ,
 or forward the signal to the process if appropriate.
 The
 .Fn ptrace

lib/libc/sys/read.2

@@ -165,10 +165,10 @@ The file was marked for non-blocking I/O,
 and no data were ready to be read.
 .It Bq Er EISDIR
 The file descriptor is associated with a directory residing
-on a filesystem that does not allow regular read operations on
+on a file system that does not allow regular read operations on
 directories (e.g. NFS).
 .It Bq Er EOPNOTSUPP
-The file descriptor is associated with a filesystem and file type that
+The file descriptor is associated with a file system and file type that
 do not allow regular read operations on it.
 .It Bq Er EOVERFLOW
 The file descriptor is associated with a regular file,
@@ -178,7 +178,7 @@ is greater than 0,
 is before the end-of-file, and
 .Fa offset
 is greater than or equal to the offset maximum established
-for this filesystem.
+for this file system.
 .El
 .Pp
 In addition,
@@ -190,7 +190,7 @@ The
 .Fa iovcnt
 argument
 was less than or equal to 0, or greater than
-.Li IOV_MAX .
+.Dv IOV_MAX .
 .It Bq Er EINVAL
 One of the
 .Fa iov_len

lib/libc/sys/send.2

@@ -190,12 +190,16 @@ The remote host was down.
 .It Bq Er ENETDOWN
 The remote network was down.
 .It Bq Er EPERM
-The process using a SOCK_RAW socket was jailed and the source
+The process using a
-address specified in the IP header did not match the IP 
+.Dv SOCK_RAW
+socket was jailed and the source
+address specified in the IP header did not match the IP
 address bound to the prison.
 .It Bq Er EPIPE
-The socket is unable to send anymore data (SBS_CANTSENDMORE has
+The socket is unable to send anymore data
-been set on the socket). This typically means that the socket
+.Dv ( SBS_CANTSENDMORE
+has been set on the socket).
+This typically means that the socket
 is not connected.
 .El
 .Sh BUGS

lib/libc/sys/sendfile.2

@@ -89,9 +89,13 @@ variable pointed to by
 The
 .Fa flags
 argument has one possible value:
-.Fa SF_NODISKIO .
+.Dv SF_NODISKIO .
-This flag causes any sendfile call which would block on disk I/O to instead
+This flag causes any
-return EBUSY.  Busy servers may benefit by transferring requests that would
+.Fn sendfile
+call which would block on disk I/O to instead
+return
+.Er EBUSY .
+Busy servers may benefit by transferring requests that would
 block to a separate I/O worker thread.
 .Pp
 When using a socket marked for non-blocking I/O,
@@ -112,27 +116,30 @@ implementation of
 is "zero-copy", meaning that it has been optimized so that copying of the file data is avoided.
 .Sh TUNING
 Internally, this system call uses a special
-.Xr sendfile 2
+.Fn sendfile
 buffer
 .Pq Vt "struct sf_buf"
 to handle sending file data to the client.
 If the sending socket is
-blocking, and there are not enough sendfile buffers available,
+blocking, and there are not enough
-.Xr sendfile 2
+.Fn sendfile
+buffers available,
+.Fn sendfile
 will block and report a state of
 .Dq Li sfbufa .
 If the sending socket is non-blocking and there are not enough
-sendfile buffers available, the call will block and wait for the
+.Fn sendfile
+buffers available, the call will block and wait for the
 necessary buffers to become available before finishing the call.
 .Pp
 The number of
 .Vt sf_buf Ns 's
 allocated should be proportional to the number of nmbclusters used to
 send data to a client via
-.Xr sendfile 2 .
+.Fn sendfile .
 Tune accordingly to avoid blocking!
 Busy installations that make extensive use of
-.Xr sendfile 2
+.Fn sendfile
 may want to increase these values to be inline with their
 .Va kern.ipc.nmbclusters
 (see
@@ -140,20 +147,25 @@ may want to increase these values to be inline with their
 for details).
 .Pp
 The number of
-.Xr sendfile 2
+.Fn sendfile
 buffers available is determined at boot time by either the
 .Va kern.ipc.nsfbufs
 .Xr loader.conf 5
 variable or the
 .Dv NSFBUFS
 kernel configuration tunable.
-The number of sendfile buffers scales with
+The number of
+.Fn sendfile
+buffers scales with
 .Va kern.maxusers .
+The
 .Va kern.ipc.nsfbufsused
 and
 .Va kern.ipc.nsfbufspeak
-read-only sysctl variables show current and peak
+read-only
-.Xr sendfile 2
+.Xr sysctl 8
+variables show current and peak
+.Fn sendfile
 buffers usage respectively.
 These values may also be viewed through
 .Nm netstat Fl m .
@@ -173,8 +185,11 @@ argument
 is not a valid socket descriptor.
 .It Bq Er EBUSY
 Completing the entire transfer would have required disk I/O, so
-it was aborted.  Partial data may have been sent.
+it was aborted.
-(This error can only occur when SF_NODISKIO is specified.)
+Partial data may have been sent.
+(This error can only occur when
+.Dv SF_NODISKIO
+is specified.)
 .It Bq Er ENOTSOCK
 The
 .Fa s
@@ -208,7 +223,10 @@ An error occurred while reading from
 .It Bq Er EFAULT
 An invalid address was specified for an argument.
 .It Bq Er EINTR
-A signal interrupted sendfile before it could be completed. If specified, the number
+A signal interrupted
+.Fn sendfile
+before it could be completed.
+If specified, the number
 of bytes successfully sent will be returned in
 .Fa *sbytes .
 .It Bq Er EAGAIN

lib/libc/sys/statfs.2

@@ -116,11 +116,11 @@ All I/O to the file system is done synchronously.
 No file system I/O is done synchronously.
 .It Dv MNT_SOFTDEP
 Soft updates being done (see
-.Xr ffs 7).
+.Xr ffs 7 ) .
 .It Dv MNT_SUIDDIR
 Special handling of SUID bit on directories.
 .It Dv MNT_UNION
-Union with underlying filesystem.
+Union with underlying file system.
 .It Dv MNT_NOSYMFOLLOW
 Symbolic links are not followed.
 .It Dv MNT_NOCLUSTERR
@@ -132,7 +132,7 @@ Write clustering is disabled.
 .It Dv MNT_MULTILABEL
 Mandatory Access Control (MAC) support for individual objects
 (see
-.Xr mac 4).
+.Xr mac 4 ) .
 .It Dv MNT_ACLS
 Access Control List (ACL) support enabled.
 .It Dv MNT_LOCAL