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-rw-r--r--otherlibs/unix/unixsupport.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/otherlibs/unix/unixsupport.h b/otherlibs/unix/unixsupport.h
index e51753afa..84179f43f 100644
--- a/otherlibs/unix/unixsupport.h
+++ b/otherlibs/unix/unixsupport.h
@@ -19,6 +19,7 @@
#define Nothing ((value) 0)
+extern value unix_error_of_code (int errcode);
extern void unix_error (int errcode, char * cmdname, value arg) Noreturn;
extern void uerror (char * cmdname, value arg) Noreturn;