Lines Matching refs:it
26 error message to the standard error stream if it encounters an unknown
29 does not print any messages, but it still returns the character @code{?}
36 with a missing required argument, it stores that option character in
63 @c issue. Given print_errors, it may output errors to stderr, which may
84 string can be followed by a colon (@samp{:}) to indicate that it takes a
94 The default is to permute the contents of @var{argv} while scanning it
112 command line option. When no more option arguments are available, it
118 storing it in the variable @var{optarg}. You don't ordinarily need to
119 copy the @code{optarg} string, since it is a pointer into the original
123 included in @var{options}, or a missing option argument, it returns
202 program accept long options if it uses any options, for this takes
225 These fields control how to report or act on the option when it occurs.
231 If @code{flag} is not a null pointer, it should be the address of an
244 it does in @code{getopt}. The argument @var{longopts} describes the long
247 When @code{getopt_long} encounters a short option, it does the same
248 thing that @code{getopt} would do: it returns the character code for the
249 option, and stores the option's argument (if it has one) in @code{optarg}.
251 When @code{getopt_long} encounters a long option, it takes actions based
257 contents of @code{val} to indicate which option it found. You should
270 @var{longopts} of the options definition, by storing it into
282 When @code{getopt_long} has no more options to handle, it returns
299 @code{getopt_long} function but it allows the user of the
302 looking through the short options if a @samp{-} is seen it is first
303 tried whether this parameter names a long option. If not, it is parsed