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--- Begin Message --- Subject: my problem is "$" Date: Sat, 30 Jun 2007 00:37:56 -0700 (PDT) good day everyone i don't understand this source code, please help char stemp[100] extern int yyleng strncpy(stemp,$1,yyleng) and here is my question : why must we declare extern what is yyleng what is the role of $1 in the above function that is all my questions . thank you for your kind attention

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