The .Fn function.

11 files changed, 68 insertions, 36 deletions

diff --git a/lib/libc/sys/chdir.2 b/lib/libc/sys/chdir.2
index 13da8b3..bb7a0c8 100644
--- a/lib/libc/sys/chdir.2
+++ b/lib/libc/sys/chdir.2
@@ -75,7 +75,9 @@ a process must have execute (search) access to the directory.
 .Sh RETURN VALUES
 .Rv -std
 .Sh ERRORS
-.Fn Chdir
+The
+.Fn chdir
+function
 will fail and the current working directory will be unchanged if
 one or more of the following are true:
 .Bl -tag -width Er
@@ -98,7 +100,9 @@ points outside the process's allocated address space.
 An I/O error occurred while reading from or writing to the file system.
 .El
 .Pp
-.Fn Fchdir
+The
+.Fn fchdir
+function
 will fail and the current working directory will be unchanged if
 one or more of the following are true:
 .Bl -tag -width Er
diff --git a/lib/libc/sys/chflags.2 b/lib/libc/sys/chflags.2
index 1ec73c1..00dd0f8 100644
--- a/lib/libc/sys/chflags.2
+++ b/lib/libc/sys/chflags.2
@@ -121,8 +121,9 @@ for details.)
 .Sh RETURN VALUES
 .Rv -std
 .Sh ERRORS
-.Fn Chflags
-will fail if:
+The
+.Fn chflags
+function will fail if:
 .Bl -tag -width Er
 .It Bq Er ENOTDIR
 A component of the path prefix is not a directory.
@@ -151,8 +152,9 @@ error occurred while reading from or writing to the file system.
 The underlying file system does not support file flags.
 .El
 .Pp
-.Fn Fchflags
-will fail if:
+The
+.Fn fchflags
+function will fail if:
 .Bl -tag -width Er
 .It Bq Er EBADF
 The descriptor is not valid.
diff --git a/lib/libc/sys/chmod.2 b/lib/libc/sys/chmod.2
index 5b6990a..f0be152 100644
--- a/lib/libc/sys/chmod.2
+++ b/lib/libc/sys/chmod.2
@@ -159,7 +159,9 @@ at the expense of a degree of compatibility.
 .Sh RETURN VALUES
 .Rv -std
 .Sh ERRORS
-.Fn Chmod
+The
+.Fn chmod
+function
 will fail and the file mode will be unchanged if:
 .Bl -tag -width Er
 .It Bq Er ENOTDIR
@@ -187,8 +189,9 @@ An I/O error occurred while reading from or writing to the file system.
 An attempt was made to set the sticky bit upon an executable.
 .El
 .Pp
-.Fn Fchmod
-will fail if:
+The
+.Fn fchmod
+function will fail if:
 .Bl -tag -width Er
 .It Bq Er EBADF
 The descriptor is not valid.
diff --git a/lib/libc/sys/chown.2 b/lib/libc/sys/chown.2
index dc1d067..7ea3449 100644
--- a/lib/libc/sys/chown.2
+++ b/lib/libc/sys/chown.2
@@ -68,7 +68,9 @@ but the change
 .Fa owner
 capability is restricted to the super-user.
 .Pp
-.Fn Chown
+The
+.Fn chown
+function
 clears the set-user-id and set-group-id bits
 on the file
 to prevent accidental or mischievous creation of
@@ -78,13 +80,16 @@ by the super-user.
 follows symbolic links to operate on the target of the link
 rather than the link itself.
 .Pp
-.Fn Fchown
+The
+.Fn fchown
+function
 is particularly useful when used in conjunction
 with the file locking primitives (see
 .Xr flock 2 ) .
 .Pp
-.Fn Lchown
-is similar to
+The
+.Fn lchown
+function is similar to
 .Fn chown
 but does not follow symbolic links.
 .Pp
@@ -93,7 +98,8 @@ may be left unchanged by specifying it as -1.
 .Sh RETURN VALUES
 .Rv -std
 .Sh ERRORS
-.Fn Chown
+The
+.Fn chown
 and
 .Fn lchown
 will fail and the file will be unchanged if:
@@ -120,8 +126,9 @@ points outside the process's allocated address space.
 An I/O error occurred while reading from or writing to the file system.
 .El
 .Pp
-.Fn Fchown
-will fail if:
+The
+.Fn fchown
+function will fail if:
 .Bl -tag -width Er
 .It Bq Er EBADF
 .Fa fd
diff --git a/lib/libc/sys/chroot.2 b/lib/libc/sys/chroot.2
index 3b4d98d..cae864d 100644
--- a/lib/libc/sys/chroot.2
+++ b/lib/libc/sys/chroot.2
@@ -47,8 +47,9 @@
 .Sh DESCRIPTION
 .Fa Dirname
 is the address of the pathname of a directory, terminated by an ASCII NUL.
-.Fn Chroot
-causes
+The
+.Fn chroot
+function causes
 .Fa dirname
 to become the root directory,
 that is, the starting point for path searches of pathnames
@@ -99,7 +100,9 @@ a value of -1 is returned and
 .Va errno
 is set to indicate an error.
 .Sh ERRORS
-.Fn Chroot
+The
+.Fn chroot
+function
 will fail and the root directory will be unchanged if:
 .Bl -tag -width Er
 .It Bq Er ENOTDIR
diff --git a/lib/libc/sys/close.2 b/lib/libc/sys/close.2
index 409d9e2..9e9471b 100644
--- a/lib/libc/sys/close.2
+++ b/lib/libc/sys/close.2
@@ -104,8 +104,9 @@ which is to not close the descriptor.
 .Sh RETURN VALUES
 .Rv -std close
 .Sh ERRORS
-.Fn Close
-will fail if:
+The
+.Fn close
+function will fail if:
 .Bl -tag -width Er
 .It Bq Er EBADF
 .Fa D
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2
index 2d57eab..c93ece0 100644
--- a/lib/libc/sys/dup.2
+++ b/lib/libc/sys/dup.2
@@ -48,7 +48,9 @@
 .Ft int
 .Fn dup2 "int oldd" "int newd"
 .Sh DESCRIPTION
-.Fn Dup
+The
+.Fn dup
+function
 duplicates an existing object descriptor and returns its value to
 the calling process
 .Fa ( newd
@@ -121,10 +123,11 @@ The external variable
 .Va errno
 indicates the cause of the error.
 .Sh ERRORS
-.Fn Dup
+The
+.Fn dup
 and
 .Fn dup2
-fail if:
+functions fail if:
 .Bl -tag -width Er
 .It Bq Er EBADF
 .Fa Oldd
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index 675f9b8..ff842da 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -45,7 +45,9 @@
 .Ft int
 .Fn execve "const char *path" "char *const argv[]" "char *const envp[]"
 .Sh DESCRIPTION
-.Fn Execve
+The
+.Fn execve
+function
 transforms the calling process into a new process.
 The new process is constructed from an ordinary file,
 whose name is pointed to by
@@ -202,7 +204,9 @@ return value will be -1 and the global variable
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
-.Fn Execve
+The
+.Fn execve
+function
 will fail and return to the calling process if:
 .Bl -tag -width Er
 .It Bq Er ENOTDIR
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2
index e6ddee9..6635e31 100644
--- a/lib/libc/sys/fcntl.2
+++ b/lib/libc/sys/fcntl.2
@@ -45,8 +45,9 @@
 .Ft int
 .Fn fcntl "int fd" "int cmd" "..."
 .Sh DESCRIPTION
-.Fn Fcntl
-provides for control over descriptors.
+The
+.Fn fcntl
+function provides for control over descriptors.
 The argument
 .Fa fd
 is a descriptor to be operated on by
@@ -387,8 +388,9 @@ Otherwise, a value of -1 is returned and
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
-.Fn Fcntl
-will fail if:
+The
+.Fn fcntl
+function will fail if:
 .Bl -tag -width Er
 .It Bq Er EAGAIN
 The argument
diff --git a/lib/libc/sys/flock.2 b/lib/libc/sys/flock.2
index f76b094..fc3e15c 100644
--- a/lib/libc/sys/flock.2
+++ b/lib/libc/sys/flock.2
@@ -49,8 +49,9 @@
 .Ft int
 .Fn flock "int fd" "int operation"
 .Sh DESCRIPTION
-.Fn Flock
-applies or removes an
+The
+.Fn flock
+function applies or removes an
 .Em advisory
 lock on the file associated with the file descriptor
 .Fa fd .
diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
index e20e4bb..f612104 100644
--- a/lib/libc/sys/fork.2
+++ b/lib/libc/sys/fork.2
@@ -46,8 +46,9 @@
 .Ft pid_t
 .Fn fork void
 .Sh DESCRIPTION
-.Fn Fork
-causes creation of a new process.
+The
+.Fn fork
+function causes creation of a new process.
 The new process (child process) is an exact copy of the
 calling process (parent process) except for the following:
 .Bl -bullet -offset indent
@@ -89,8 +90,9 @@ variable
 .Va errno
 is set to indicate the error.
 .Sh ERRORS
-.Fn Fork
-will fail and no child process will be created if:
+The
+.Fn fork
+function will fail and no child process will be created if:
 .Bl -tag -width Er
 .It Bq Er EAGAIN
 The system-imposed limit on the total