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-rw-r--r--src/perl/common/Core.xs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/perl/common/Core.xs b/src/perl/common/Core.xs
index 1a7ee18d..76ea0093 100644
--- a/src/perl/common/Core.xs
+++ b/src/perl/common/Core.xs
@@ -492,6 +492,10 @@ OUTPUT:
int
level2bits(str)
char *str
+CODE:
+ RETVAL = level2bits(str, NULL);
+OUTPUT:
+ RETVAL
void
bits2level(bits)