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-rw-r--r--pcilib/pcilib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/pcilib/pcilib.h b/pcilib/pcilib.h
index 6d241c6..6c1d592 100644
--- a/pcilib/pcilib.h
+++ b/pcilib/pcilib.h
@@ -87,6 +87,7 @@ typedef struct {
#define PCILIB_BAR_INVALID ((pcilib_bar_t)-1)
#define PCILIB_BAR0 0
#define PCILIB_BAR1 1
+#define PCILIB_BARUNDEF -1
#define PCILIB_DMA_ENGINE_INVALID ((pcilib_dma_engine_t)-1)
#define PCILIB_DMA_ENGINE_ALL ((pcilib_dma_engine_t)-1)
#define PCILIB_DMA_FLAGS_DEFAULT ((pcilib_dma_flags_t)0)