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Annotation of researchv10no/cmd/troff/unansi, revision 1.1.1.1

1.1       root        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) must
                     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: 

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