int main (void){
long number, factorial;
number = getNumber();
factorial = getfactorial(number);
printf("The factorial of %ld is %ld\n", number, factorial);
}
int main(int argc,char *argv[])
{
if (argc==1)
printf("no arg is define,default calculate the factorial summation from 1 to 10 is %d.\n",getfactorial(1,10));
else if (argc==2)
{
int iarg=atoi(argv[1]);
if (iarg>10)
printf("The first arg is greater than 10, so calculate the factorial summation form 10 to %d is %d.\n",iarg,getfactorial(10,iarg));
else
printf("The first arg is less than 10, so calculate the factorial summation form %d to 10 is %d.\n",iarg,getfactorial(iarg,10));
}
else
{
int iargs[2];
iargs[0]=atoi(argv[1]);
iargs[1]=atoi(argv[2]);
printf("The first arg is less than 10, so calculate the factorial summation form %d to %d is %d.\n",iargs[0],iargs[1],getfactorial(iargs[0],iargs[1]));
}
return 0;
}
