diff options
| author | Jason McIntyre <jmc@cvs.openbsd.org> | 2004-12-22 16:24:54 +0000 |
|---|---|---|
| committer | Jason McIntyre <jmc@cvs.openbsd.org> | 2004-12-22 16:24:54 +0000 |
| commit | ac08a07765b8c00c6b60da9aca504e95307da680 (patch) | |
| tree | 4692ffde22eced14f22af84bd1a9a153bbd63052 /lib | |
| parent | a5d22c14aab0a9ed377a7114dd727e2fe54b7b47 (diff) | |
tweaks from michael knudsen;
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/stdlib/getopt.3 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/libc/stdlib/getopt.3 b/lib/libc/stdlib/getopt.3 index 76546d29464..831d35c0ba2 100644 --- a/lib/libc/stdlib/getopt.3 +++ b/lib/libc/stdlib/getopt.3 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $OpenBSD: getopt.3,v 1.29 2004/12/07 16:14:35 millert Exp $ +.\" $OpenBSD: getopt.3,v 1.30 2004/12/22 16:24:53 jmc Exp $ .\" .Dd December 17, 2002 .Dt GETOPT 3 @@ -36,9 +36,9 @@ .Sh SYNOPSIS .Fd #include <unistd.h> .Vt extern char *optarg; +.Vt extern int opterr; .Vt extern int optind; .Vt extern int optopt; -.Vt extern int opterr; .Vt extern int optreset; .Ft int .Fn getopt "int argc" "char * const *argv" "const char *optstring" @@ -61,9 +61,8 @@ may contain the following elements: individual characters, characters followed by a colon, and characters followed by two colons. A character followed by a single colon indicates that an argument is to follow the option on the command line. -Two colons indicates that the argument is optional--this is an -extension not covered by -.Px . +Two colons indicates that the argument is optional \- this is an +extension not covered by POSIX. For example, an option string .Qq x recognizes an option @@ -97,7 +96,9 @@ The .Va optind variable may be set to another value larger than 0 before a set of calls to .Fn getopt -in order to skip over more or less argv entries. +in order to skip over more or less +.Fa argv +entries. An .Va optind value of 0 is reserved for compatibility with GNU |