version 1.188, 2011/05/26 09:26:16 |
version 1.189, 2011/07/11 08:45:02 |
|
|
and |
and |
.Sx \&Os . |
.Sx \&Os . |
.Ss \&Dv |
.Ss \&Dv |
Defined variables such as preprocessor constants. |
Defined variables such as preprocessor constants, constant symbols, |
|
enumeration values, and so on. |
.Pp |
.Pp |
Examples: |
Examples: |
|
.Dl \&.Dv NULL |
.Dl \&.Dv BUFSIZ |
.Dl \&.Dv BUFSIZ |
.Dl \&.Dv STDOUT_FILENO |
.Dl \&.Dv STDOUT_FILENO |
.Pp |
.Pp |
See also |
See also |
.Sx \&Er . |
.Sx \&Er |
|
and |
|
.Sx \&Ev |
|
for special-purpose constants and |
|
.Sx \&Va |
|
for variable symbols. |
.Ss \&Dx |
.Ss \&Dx |
Format the DragonFly BSD version provided as an argument, or a default |
Format the DragonFly BSD version provided as an argument, or a default |
value if no argument is provided. |
value if no argument is provided. |
Line 1774 argument is used as the enclosure head, for example, s |
|
Line 1781 argument is used as the enclosure head, for example, s |
|
will emulate |
will emulate |
.Sx \&Do . |
.Sx \&Do . |
.Ss \&Er |
.Ss \&Er |
Display error constants. |
Error constants for definitions of the |
|
.Va errno |
|
libc global variable. |
.Pp |
.Pp |
Examples: |
Examples: |
.Dl \&.Er EPERM |
.Dl \&.Er EPERM |
.Dl \&.Er ENOENT |
.Dl \&.Er ENOENT |
.Pp |
.Pp |
See also |
See also |
.Sx \&Dv . |
.Sx \&Dv |
|
for general constants. |
.Ss \&Es |
.Ss \&Es |
This macro is obsolete and not implemented. |
This macro is obsolete and not implemented. |
.Ss \&Ev |
.Ss \&Ev |
Line 1791 Environmental variables such as those specified in |
|
Line 1801 Environmental variables such as those specified in |
|
Examples: |
Examples: |
.Dl \&.Ev DISPLAY |
.Dl \&.Ev DISPLAY |
.Dl \&.Ev PATH |
.Dl \&.Ev PATH |
|
.Pp |
|
See also |
|
.Sx \&Dv |
|
for general constants. |
.Ss \&Ex |
.Ss \&Ex |
Insert a standard sentence regarding exit values. |
Insert a standard sentence regarding exit values. |
Its syntax is as follows: |
Its syntax is as follows: |