C语言求文法的First集(共9页).doc

精选优质文档-倾情为你奉上C语言求文法的FIRST集/Copyright:ChenZexi , JXNU#include#include#include #define MAXS 50#define epsilon *char noendMAXS; /非终极符char EndMAXS; /终极符 int N;struct STRint has_epsion; char left; char rightMAXS;struct Firstchar letter;char gatherMAXS; ; int getlr(struct STR *p,int i,char *temp) int j; int k=0; int succ=0; for(j=0;jstrlen(temp);j+)