str_o.c

编译原理LL1语法分析的实验程序

//compare two string a and b,return 1 while they are perfectly the same.
int str_cmp(char*a,char*b){
	int i=0;
	while(1){
		if(a[i]!=b[i])
			return 0;
		if(a[i]=='\0')
			return 1;
		i++;
	}
}
//got a related number of string a
int str_h(char*a){
	int i,n;
	n=0;
	for(i=0;a[i]!='\0';i++)
		n+=a[i];
	return n;
}