1 files changed, 12 insertions, 0 deletions
diff --git a/src/nvim/charset.h b/src/nvim/charset.h
index eb64b6128a..e657ce19b6 100644
--- a/src/nvim/charset.h
+++ b/src/nvim/charset.h
@@ -5,6 +5,7 @@
 #include "nvim/pos.h"
 #include "nvim/buffer_defs.h"
 #include "nvim/eval/typval.h"
+#include "nvim/option_defs.h"
 
 /// Return the folded-case equivalent of the given character
 ///
@@ -34,4 +35,15 @@ typedef enum {
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "charset.h.generated.h"
 #endif
+
+static inline bool vim_isbreak(int c)
+  REAL_FATTR_CONST
+  REAL_FATTR_ALWAYS_INLINE;
+
+/// Check if `c` is one of the characters in 'breakat'.
+/// Used very often if 'linebreak' is set
+static inline bool vim_isbreak(int c)
+{
+  return breakat_flags[(char_u)c];
+}
 #endif  // NVIM_CHARSET_H