xref: /freebsd/share/examples/mdoc/example.3 (revision a35d88931c87cfe6bd38f01d7bad22140b3b38f3)
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25.\" $FreeBSD$
26.\"
27.\" Note: The date here should be updated whenever a non-trivial
28.\" change is made to the manual page.
29.Dd July 30, 2004
30.Dt EXAMPLE 3
31.Os
32.Sh NAME
33.Nm example
34.Nd "example library function manual page"
35.Sh LIBRARY
36.\" Note: list of available libraries is available in mdoc(7)
37.Lb libc
38.Sh SYNOPSIS
39.In example.h
40.Ft int
41.Fn example "char *ptr" "int mode"
42.Sh DESCRIPTION
43This is an example library function manual page for the
44.Fn example
45function.
46It is intended that this example can be used as a template
47when writing a new manual page.
48.Pp
49The
50.Fn example
51function takes two arguments:
52.Fa ptr
53and
54.Fa mode .
55The argument
56.Fa mode
57may have one of the following values:
58.Bl -tag -width ".Dv EXAMPLE_ONE"
59.It Dv EXAMPLE_ONE
60First example of a defined variable.
61.Dv EXAMPLE_ONE
62is described below.
63.It Dv EXAMPLE_TWO
64Second example.
65.El
66.Pp
67The above values are defined in
68.In example.h
69as follows:
70.Bd -literal
71#define EXAMPLE_ONE  1
72#define EXAMPLE_TWO  2
73.Ed
74.Sh IMPLEMENTATION NOTES
75The
76.Fn example
77function is not actually implemented.
78.Sh RETURN VALUES
79.Rv -std example
80.Sh ENVIRONMENT
81The
82.Fn example
83library function ignores the
84.Ev EXAMPLE
85environment variable.
86.Sh FILES
87.Bl -tag -width ".Pa /dev/null" -compact
88.It Pa /dev/null
89Example of a file in the
90.Sx FILES
91section.
92.El
93.Sh DIAGNOSTICS
94None.
95.Sh COMPATIBILITY
96The
97.Fn example
98function has no known compatibility issues.
99.Sh ERRORS
100.\" Delete any errno's that are not returned by your
101.\" function or system call and then tailor the
102.\" remaining text as needed.
103The
104.Fn example
105function will fail if:
106.Bl -tag -width Er
107.It Bq Er EPERM
108Operation not permitted.
109.It Bq Er ENOENT
110No such file or directory.
111.It Bq Er ESRCH
112No such process.
113.It Bq Er EINTR
114Interrupted system call.
115.It Bq Er EIO
116Input/output error.
117.It Bq Er ENXIO
118Device not configured.
119.It Bq Er E2BIG
120Argument list too long.
121.It Bq Er ENOEXEC
122Exec format error.
123.It Bq Er EBADF
124Bad file descriptor.
125.It Bq Er ECHILD
126No child processes.
127.It Bq Er EDEADLK
128Resource deadlock avoided.
129.It Bq Er ENOMEM
130Cannot allocate memory.
131.It Bq Er EACCES
132Permission denied.
133.It Bq Er EFAULT
134Bad address.
135.It Bq Er ENOTBLK
136Block device required.
137.It Bq Er EBUSY
138Device busy.
139.It Bq Er EEXIST
140File exists.
141.It Bq Er EXDEV
142Cross-device link.
143.It Bq Er ENODEV
144Operation not supported by device.
145.It Bq Er ENOTDIR
146Not a directory.
147.It Bq Er EISDIR
148Is a directory.
149.It Bq Er EINVAL
150Invalid argument.
151.It Bq Er ENFILE
152Too many open files in system.
153.It Bq Er EMFILE
154Too many open files.
155.It Bq Er ENOTTY
156Inappropriate ioctl for device.
157.It Bq Er ETXTBSY
158Text file busy.
159.It Bq Er EFBIG
160File too large.
161.It Bq Er ENOSPC
162No space left on device.
163.It Bq Er ESPIPE
164Illegal seek.
165.It Bq Er EROFS
166Read-only file system.
167.It Bq Er EMLINK
168Too many links.
169.It Bq Er EPIPE
170Broken pipe.
171.It Bq Er EDOM
172Numerical argument out of domain.
173.It Bq Er ERANGE
174Result too large.
175.It Bq Er EAGAIN
176Resource temporarily unavailable.
177.It Bq Er EWOULDBLOCK
178Operation would block.
179.It Bq Er EINPROGRESS
180Operation now in progress.
181.It Bq Er EALREADY
182Operation already in progress.
183.It Bq Er ENOTSOCK
184Socket operation on non-socket.
185.It Bq Er EDESTADDRREQ
186Destination address required.
187.It Bq Er EMSGSIZE
188Message too long.
189.It Bq Er EPROTOTYPE
190Protocol wrong type for socket.
191.It Bq Er ENOPROTOOPT
192Protocol not available.
193.It Bq Er EPROTONOSUPPORT
194Protocol not supported.
195.It Bq Er ESOCKTNOSUPPORT
196Socket type not supported.
197.It Bq Er EOPNOTSUPP
198Operation not supported.
199.It Bq Er EPFNOSUPPORT
200Protocol family not supported.
201.It Bq Er EAFNOSUPPORT
202Address family not supported by protocol family.
203.It Bq Er EADDRINUSE
204Address already in use.
205.It Bq Er EADDRNOTAVAIL
206Cannot assign requested address.
207.It Bq Er ENETDOWN
208Network is down.
209.It Bq Er ENETUNREACH
210Network is unreachable.
211.It Bq Er ENETRESET
212Network dropped connection on reset.
213.It Bq Er ECONNABORTED
214Software causes connection abort.
215.It Bq Er ENOBUFS
216No buffer space available.
217.It Bq Er EISCONN
218Socket is already connected.
219.It Bq Er ENOTCONN
220Socket is not connected.
221.It Bq Er ESHUTDOWN
222Cannot send after socket shutdown.
223.It Bq Er ETOOMANYREFS
224Too many references: cannot splice.
225.It Bq Er ETIMEDOUT
226Operation timed out.
227.It Bq Er ECONNREFUSED
228Connection refused.
229.It Bq Er ELOOP
230Too many levels of symbolic links.
231.It Bq Er ENAMETOOLONG
232File name too long.
233.It Bq Er EHOSTDOWN
234Host is down.
235.It Bq Er EHOSTUNREACH
236No route to host.
237.It Bq Er ENOTEMPTY
238Directory not empty.
239.It Bq Er EPROCLIM
240Too many processes.
241.It Bq Er EUSERS
242Too many users.
243.It Bq Er EDQUOT
244Disc quota exceeded.
245.It Bq Er ESTALE
246Stale NFS file handle.
247.It Bq Er EREMOTE
248Too many levels of remote in path.
249.It Bq Er EBADRPC
250RPC struct is bad.
251.It Bq Er ERPCMISMATCH
252RPC version wrong.
253.It Bq Er EPROGUNAVAIL
254RPC program not available.
255.It Bq Er EPROGMISMATCH
256Program version wrong.
257.It Bq Er EPROCUNAVAIL
258Bad procedure for program.
259.It Bq Er ENOLCK
260No locks available.
261.It Bq Er ENOSYS
262Function not implemented.
263.It Bq Er EFTYPE
264Inappropriate file type or format.
265.It Bq Er EAUTH
266Authentication error.
267.It Bq Er ENEEDAUTH
268Need authenticator.
269.It Bq Er EIDRM
270Identifier removed.
271.It Bq Er ENOMSG
272No message of desired type.
273.It Bq Er EOVERFLOW
274Value too large to be stored in data type.
275.It Bq Er ECANCELED
276Operation canceled.
277.It Bq Er EILSEQ
278Illegal byte sequence.
279.It Bq Er ENOATTR
280Attribute not found.
281.It Bq Er EDOOFUS
282Programming error.
283.El
284.Sh SEE ALSO
285.Xr example 1 ,
286.Xr example 4 ,
287.Xr mdoc 7
288.Rs
289.%A "A. B. Author"
290.%T "Example RFC Title"
291.%O RFC0000
292.Re
293.Rs
294.%A "A. B. Author"
295.%B "Example Book Title"
296.%O ISBN-0-000-00000-0
297.Re
298.Rs
299.%A "A. B. Author"
300.%D "January 1997"
301.%J "Example Journal Name"
302.%T "Example Article Title"
303.Re
304.Sh STANDARDS
305If the function conforms to some standard, such as
306.St -p1003.1-2004
307or
308.St -isoC-99 ,
309it should be noted here.
310.Sh HISTORY
311The
312.Nm
313manual page example first appeared in
314.Fx 2.2 .
315.Pp
316Some other common
317.Sx HISTORY
318section examples are:
319.Pp
320The
321.Nm
322manual page example first appeared in
323.Bx 4.4 .
324.Pp
325The
326.Nm
327manual page example first appeared in
328.At v6 .
329.Sh AUTHORS
330This
331manual page was written by
332.An Mike Pritchard Aq mpp@FreeBSD.org .
333.Sh BUGS
334The actual code for this function is vaporware.
335