An example of using the Lemon parser generator. 

Lemon itself is a public domain parser generator by D. Richard Hipp.

LEMON FILES
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lemon.c      The lemon source code
lempar.c     The lemon parser standard template
lemon.txt    The lemon documentation 

OUR FILES
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cfg.y        The grammar we want to parse (see test.txt for a sample file)
readcfg.c    The main program, which directs the parsing of the config file 
readcfg.h    Headers for things common to main program and generated parser 
tok.c        A function to split the configuration file into parseable tokens
slurp.c      A utility to read a whole file into a malloc'd buffer
test.txt     Sample file that we want to parse using the grammar in cfg.y

TRY IT
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make
./readcfg test.txt

MORE INFO
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Read NOTES.tdh