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+#------------------------------------------------------------------------------
+# $File: gcc,v 1.5 2016/07/01 23:31:13 christos Exp $
+# gcc: file(1) magic for GCC special files
+#
+0 string gpch GCC precompiled header
+
+# The version field is annoying. It's 3 characters, not zero-terminated.
+>5 byte x (version %c
+>6 byte x \b%c
+>7 byte x \b%c)
+
+# 67 = 'C', 111 = 'o', 43 = '+', 79 = 'O'
+>4 byte 67 for C
+>4 byte 111 for Objective-C
+>4 byte 43 for C++
+>4 byte 79 for Objective-C++