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-rw-r--r--libcrystfel/src/xgandalf.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/libcrystfel/src/xgandalf.h b/libcrystfel/src/xgandalf.h
index 3e1f0b2c..51660bb0 100644
--- a/libcrystfel/src/xgandalf.h
+++ b/libcrystfel/src/xgandalf.h
@@ -24,13 +24,13 @@ struct xgandalf_options {
#include <stddef.h>
#include "index.h"
-int run_xgandalf(struct image *image, void *ipriv);
+extern int run_xgandalf(struct image *image, void *ipriv);
-void *xgandalf_prepare(IndexingMethod *indm, UnitCell *cell,
- struct xgandalf_options *xgandalf_opts);
+extern void *xgandalf_prepare(IndexingMethod *indm, UnitCell *cell,
+ struct xgandalf_options *xgandalf_opts);
-void xgandalf_cleanup(void *pp);
+extern void xgandalf_cleanup(void *pp);
+extern const char *xgandalf_probe(UnitCell *cell);
-const char *xgandalf_probe(UnitCell *cell);
#endif /* LIBCRYSTFEL_SRC_XGANDALF_H */