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yylval = c - '0'; /* yylval is a global var */ while( isdigit( c=getchar() ) ) yylval = 10*yylval + (c - '0'); if (c >= 0) ungetc(c,stdin); return NUMBER;. - PowerPoint PPT Presentation
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yylval = c - '0'; /* yylval is a global var */
while( isdigit( c=getchar() ) )
yylval = 10*yylval + (c - '0');
if (c >= 0) ungetc(c,stdin);
return NUMBER;