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-rw-r--r--src/internal/vis.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/internal/vis.h b/src/internal/vis.h
index a01fda18..bf7a5b20 100644
--- a/src/internal/vis.h
+++ b/src/internal/vis.h
@@ -12,6 +12,9 @@
  * exported data symbols. */
 
 __attribute__((__visibility__("default")))
+extern struct _IO_FILE *const stdin, *const stdout, *const stderr;
+
+__attribute__((__visibility__("default")))
 extern int optind, opterr, optopt, optreset, __optreset, getdate_err, h_errno, daylight, __daylight, signgam, __signgam;
 
 __attribute__((__visibility__("default")))