c语言初步经典题17---统计一个文件的字符个数

#include <stdio.h>
#include <stdlib.h>

int main()
{
FILE *fpr;
char name[100] = {0};//存储路径名
int ch;
int number = 0;
int character = 0;
int space = 0;
int total = 0;

scanf("%s",name);

if((fpr = fopen(name,"r")) == NULL)
{
printf("Can't open %s\n",name);
exit(1);
}
while((ch = fgetc(fpr)) != EOF)
{
if(ch>=48 &&ch<=57)//数字的ASCII码
{
number++;
}
if((ch>=65&&ch<=90) || (ch>=97&&ch<=122))//字母的ASCII码
{
character++;
}
if(ch == 32)//空格的ASCII码
{
space++;
}
total++;
}
printf("数字 = %d 字母 = %d 空格 = %d 字符数 = %d\n",number,character,space,total);
return 0;
}