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-rw-r--r--blaze822_priv.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/blaze822_priv.h b/blaze822_priv.h
index 5276ff7..1da4d96 100644
--- a/blaze822_priv.h
+++ b/blaze822_priv.h
@@ -9,5 +9,7 @@ struct message {
 //          WSP            =  SP / HTAB
 #define iswsp(c)  (((c) == ' ' || (c) == '\t'))
 
+#define isfws(c)  (((unsigned char)(c) == ' ' || (unsigned char)(c) == '\t' || (unsigned char)(c) == '\n' || (unsigned char)(c) == '\r'))
+
 // ASCII lowercase without alpha check (wrong for "@[\]^_")
 #define lc(c) ((c) | 0x20)