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move linkage var declarations to ares_getopt.h
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@@ -49,11 +49,6 @@
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#include <string.h>
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#include "ares_getopt.h"
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/* declarations to provide consistent linkage */
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extern char *optarg;
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extern int optind;
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extern int opterr;
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int opterr = 1, /* if error message should be printed */
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optind = 1, /* index into parent argv vector */
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optopt, /* character checked for validity */
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