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-rw-r--r--include/unistd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/unistd.h b/include/unistd.h
index 68dd2254ec..f9f55cf456 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -70,7 +70,7 @@ extern int __link (__const char *__from, __const char *__to);
 extern int __symlink (__const char *__from, __const char *__to);
 extern int __readlink (__const char *__path, char *__buf, size_t __len);
 extern int __unlink (__const char *__name);
-extern int __gethostname (char *__name, size_t __len);
+extern int __gethostname (char *__name, socklen_t __len);
 extern int __profil (unsigned short int *__sample_buffer, size_t __size,
 		     size_t __offset, unsigned int __scale);
 extern int __getdtablesize (void);