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C03 { return CARBONATE;}
H { return HYDROGEN;}
Ca { return CALCIUM;}
Na { return SODIUM;}
K { return POTASSIUM;}
{diff} { return DIFF;}
{perm} { return PERM;}
{wc} { return WC;}
{thick} { return THICKNESS;}
{neuax} { return NEUAX;}
{youngs} { return YOUNGS;}
{beta} { return BETA;}
{ce} { return Ce;}
{rough} { return ROUGHNESS;}
{gamma} { return GAMMA;}
{poisson} { return POISSON;}
{extrn} { return EXTRN;}}
{intrn} { return INTRN;}
{time} { return TIME;}
{depth} { return DEPTH;}
{rebar} { return REBAR;}
{output} { return OUTPUT;}
{head} { return HEAD;}
{crack} { return CRACK;}
{joint} { return JOINT;}
{at} { return AT;}
{until} { return UNTIL;}
{integer} { sscanf (yytext '"%ld", &yylval int32)
return INT32;}
{real} { sscanf (yytext "'/.If", &yylval real)
return REAL;}
{assign} { return EQUALS;}
{nl} { return NEWLINE;}
{kill} { return KILL;}
. { return yytext[0];}
%%
A.3