指针实现对数组访问，统计字符串的不同类型

#include<stdio.h>

#include<string.h>

#define INPUT_COUNT (100)

#define DATA_NULL (char *)(0)

#define ERR (1u)

void main()

{

char inArray[INPUT_COUNT] = "";

int strType = 0;

int spaceType = 0;

int numType = 0;

int otherType = 0;

gets(inArray);

char *pRdData = inArray;

while(*pRdData != DATA_NULL)

{

    if((*pRdData >= 'a' && *pRdData <= 'z') || (*pRdData >= 'A' && *pRdData <= 'Z'))

    {

        strType += 1;

    }

    else if(*pRdData == ' ')

    {

        spaceType += 1;

    }

    else if((*pRdData >= '0') && (*pRdData <= '9'))

    {

        numType += 1;

    }

    else

    {

        otherType += 1;

    }

    pRdData += 1;

}

printf("%d %d %d %d",strType,numType,spaceType,otherType);

}