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-rw-r--r--src/macros.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/macros.h b/src/macros.h
index 571fed0a7e..8c0e04a56c 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -336,3 +336,6 @@
(p) = NULL; \
} \
} while (0)
+
+/* Wether a command index indicates a user command. */
+#define IS_USER_CMDIDX(idx) ((int)(idx) < 0)