<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">--- a/ykpers-args.h
+++ b/ykpers-args.h
@@ -33,8 +33,8 @@
 
 #include "ykpers.h"
 
-const char *usage;
-const char *optstring;
+extern const char *usage;
+extern const char *optstring;
 
 int args_to_config(int argc, char **argv, YKP_CONFIG *cfg, char *oathid,
 		   size_t oathid_len, const char **infname,
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