# \[PATCH 75/98\] include/uapi/linux/netfilter/xt\_sctp.h: use \_Bool type, 1 for true and 0 for false

- From: Mikko Rapeli \<hidden\>
- Date: 2015-05-30 16:31:42 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/05/4505598
- Thread: https://ratatoskr.run/netfilter-devel/2015/05/4505598/t.md

```text
Fixes userspace compilation errors like:

error: unknown type name ‘bool’
 static __inline__ bool
error: ‘false’ undeclared (first use in this function)
    return false;

Signed-off-by: Mikko Rapeli <redacted>
---
 include/uapi/linux/netfilter/xt_sctp.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/uapi/linux/netfilter/xt_sctp.h b/include/uapi/linux/netfilter/xt_sctp.h
index 29287be..58ffcfb 100644
--- a/include/uapi/linux/netfilter/xt_sctp.h
+++ b/include/uapi/linux/netfilter/xt_sctp.h
@@ -66,26 +66,26 @@ struct xt_sctp_info {
 
 #define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
 	__sctp_chunkmap_is_clear((chunkmap), ARRAY_SIZE(chunkmap))
-static inline bool
+static inline _Bool
 __sctp_chunkmap_is_clear(const __u32 *chunkmap, unsigned int n)
 {
 	unsigned int i;
 	for (i = 0; i < n; ++i)
 		if (chunkmap[i])
-			return false;
-	return true;
+			return 0;
+	return 1;
 }
 
 #define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
 	__sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap))
-static inline bool
+static inline _Bool
 __sctp_chunkmap_is_all_set(const __u32 *chunkmap, unsigned int n)
 {
 	unsigned int i;
 	for (i = 0; i < n; ++i)
 		if (chunkmap[i] != ~0U)
-			return false;
-	return true;
+			return 0;
+	return 1;
 }
 
 #endif /* _XT_SCTP_H_ */
-- 
2.1.4

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```