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-rw-r--r--zix/common.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/zix/common.h b/zix/common.h
index dd86a8b..ee18664 100644
--- a/zix/common.h
+++ b/zix/common.h
@@ -48,6 +48,11 @@ typedef enum {
} ZixStatus;
/**
+ Function for comparing two elements.
+*/
+typedef int (*ZixComparator)(const void* a, const void* b, void* user_data);
+
+/**
@}
*/