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+/*
+ * yymore.lex: An example of using yymore()
+ * to good effect.
+ */
+
+%{
+#include <memory.h>
+
+void yyerror(char *message)
+{
+ printf("Error: %s\n",message);
+}
+
+%}
+
+%x STRING
+
+%%
+\" BEGIN(STRING);
+
+<STRING>[^\\\n"]* yymore();
+<STRING><<EOF>> yyerror("EOF in string."); BEGIN(INITIAL);
+<STRING>\n yyerror("Unterminated string."); BEGIN(INITIAL);
+<STRING>\\\n yymore();
+<STRING>\" {
+ yytext[yyleng-1] = '\0';
+ printf("string = \"%s\"",yytext); BEGIN(INITIAL);
+ }
+%%