hoanglong1712 wrote:
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 a
tions .
thank you for your kind attention
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