c-lang revision 300899 
1#------------------------------------------------------------------------------
2# $File: c-lang,v 1.22 2015/10/29 18:49:11 christos Exp $
3# c-lang:  file(1) magic for C and related languages programs
4#
5# The strength is to beat standard HTML
6
7# BCPL
80	search/8192	"libhdr"	BCPL source text
9!:mime	text/x-bcpl
100	search/8192	"LIBHDR"	BCPL source text
11!:mime	text/x-bcpl
12
13# C
140	regex	\^#include	C source text
15!:strength +25
16!:mime	text/x-c
170	regex	\^char[\ \t\n]+	C source text
18!:mime	text/x-c
190	regex	\^double[\ \t\n]+		C source text
20!:mime	text/x-c
210	regex	\^extern[\ \t\n]+		C source text
22!:mime	text/x-c
230	regex	\^float[\ \t\n]+		C source text
24!:mime	text/x-c
250	regex	\^struct[\ \t\n]+		C source text
26!:mime	text/x-c
270	regex	\^union[\ \t\n]+		C source text
28!:mime	text/x-c
290	search/8192	main(		C source text
30!:mime	text/x-c
31
32# C++
33# The strength of these rules is increased so they beat the C rules above
340	regex	\^template[\ \t]+<.*>[\ \t\n]+	C++ source text
35!:strength + 30
36!:mime	text/x-c++
370	regex	\^virtual[\ \t\n]+		C++ source text
38!:strength + 30
39!:mime	text/x-c++
400	regex	\^class[\ \t\n]+		C++ source text
41!:strength + 30
42!:mime	text/x-c++
430	regex	\^public:		C++ source text
44!:strength + 30
45!:mime	text/x-c++
460	regex	\^private:		C++ source text
47!:strength + 30
48!:mime	text/x-c++
49
50# From: Mikhail Teterin <mi@aldan.algebra.com> 
510	string		cscope		cscope reference data
52>7	string		x		version %.2s
53# We skip the path here, because it is often long (so file will
54# truncate it) and mostly redundant.
55# The inverted index functionality was added some time between
56# versions 11 and 15, so look for -q if version is above 14:
57>7	string		>14
58>>10	search/100	\ -q\ 		with inverted index
59>10	search/100	\ -c\ 		text (non-compressed)
60