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Mark usage() method as noreturn to avoid warning on BSD
Warning from OpenBSD/NetBSD: CC iodine.c iodine.c: In function 'main': iodine.c:141:6: warning: 'nameservaddr_len' may be used uninitialized in this function
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@ -57,6 +57,12 @@ sighandler(int sig)
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client_stop();
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}
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#if defined(__GNUC__) || defined(__clang__)
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/* mark as no return to help some compilers to avoid warnings
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* about use of uninitialized variables */
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static void usage() __attribute__((noreturn));
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#endif
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static void
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usage() {
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extern char *__progname;
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