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+
+#--------------------------------------------------------------
+# ctf: file(1) magic for CTF (Common Trace Format) trace files
+#
+# Specs. available here: <https://www.efficios.com/ctf>
+#--------------------------------------------------------------
+
+# CTF trace data
+0 lelong 0xc1fc1fc1 Common Trace Format (CTF) trace data (LE)
+0 belong 0xc1fc1fc1 Common Trace Format (CTF) trace data (BE)
+
+# CTF metadata (packetized)
+0 lelong 0x75d11d57 Common Trace Format (CTF) packetized metadata (LE)
+>35 byte x \b, v%d
+>36 byte x \b.%d
+0 belong 0x75d11d57 Common Trace Format (CTF) packetized metadata (BE)
+>35 byte x \b, v%d
+>36 byte x \b.%d
+
+# CTF metadata (plain text)
+0 string /*\x20CTF\x20 Common Trace Format (CTF) plain text metadata
+!:strength + 5 # this is to make sure we beat C
+>&0 regex [0-9]+\\.[0-9]+ \b, v%s