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-rw-r--r--elf/firstobj.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/elf/firstobj.c b/elf/firstobj.c
index 1e7cb50..2e6033e 100644
--- a/elf/firstobj.c
+++ b/elf/firstobj.c
@@ -1,5 +1,7 @@
#include <errno.h>
+extern int foo (void);
+
int
foo (void)
{