* commit '2d51dddf1a649c73f207ecf48d419fea8a8ed4de': Use hidden visibility for several internal-use-only functions.
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		@@ -27,7 +27,7 @@ static const Pair _sys_error_strings[] = {
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  { 0, NULL }
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};
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extern "C" const char* __strerror_lookup(int error_number) {
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extern "C" __LIBC_HIDDEN__ const char* __strerror_lookup(int error_number) {
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  return __code_string_lookup(_sys_error_strings, error_number);
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}
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@@ -37,7 +37,7 @@ static const Pair _sys_signal_strings[] = {
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  { 0, NULL }
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};
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extern "C" const char* __strsignal_lookup(int signal_number) {
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extern "C" __LIBC_HIDDEN__ const char* __strsignal_lookup(int signal_number) {
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  return __code_string_lookup(_sys_signal_strings, signal_number);
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}
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@@ -60,7 +60,7 @@ int strerror_r(int error_number, char* buf, size_t buf_len) {
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  return 0;
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}
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extern "C" const char* __strsignal(int signal_number, char* buf, size_t buf_len) {
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extern "C" __LIBC_HIDDEN__ const char* __strsignal(int signal_number, char* buf, size_t buf_len) {
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  const char* signal_name = __strsignal_lookup(signal_number);
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  if (signal_name != NULL) {
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    return signal_name;
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