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	unansi - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	unansi (1221B)
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	1 # The awk program cvt will convert the relatively sterotyped ansi c
	2 # in this troff distribution into older-style c, by munging function
	3 # declarations.
	4
	5 # You will also have to edit fns.h, by
	6 # sed 's/(.*)/()/g' fns.h >foo; mv foo fns.h
	7 # check this before doing the move!
	8
	9 # you will also have to make some editing changes in
	10 # tdef.h in the Contab structure: s/(void)/()/
	11 # you may have to fix up some function declarations
	12 # in n4.c, the ones with (*f)(Tchar).
	13
	14 # you will surely also have header files to deal with.
	15
	16 # the most obvious cases are dealt with by the following
	17 # commands. make sure you do this stuff on a copy!
	18
	19 # function prototypes in n8.c probably belong in fns.h. readpats(void) m…
	20 # be readpats() before cvt runs.
	21
	22 sed \
	23 -e 's/(void)/()/' \
	24 -e 's/(Tchar[^)]*);/();/' \
	25 -e 's/(char[^)]*);/();/' \
	26 -e 's/(int[^)]*);/();/' \
	27 n8.c >foo
	28 mv foo n8.c
	29
	30 for i in *.c
	31 do
	32 cvt $i >foo
	33 mv foo $i
	34 done
	35
	36 sed 's/(.*)/()/g' fns.h >foo
	37 mv foo fns.h
	38
	39 sed -e 's/(void)/()/g' -e '/stdlib/d' tdef.h >foo
	40 mv foo tdef.h
	41
	42 # Compliers may not approve of void *setbrk() in fns.h and n3.c.
	43
	44 sed 's/^void\[ ]setbrk/char setbrk/' fns.h >foo
	45 mv foo fns.h
	46
	47 sed 's/^void \setbrk/char setbrk/' n3.c >foo
	48 mv foo n3.c
	49