#include<stdio.h>

typedef struct{

char buf[10];

char ptr;

}A;

main()

{

char *s = "adcABC+-/*123";

char *p,tmp;

A upper,normal,num,other;

int i,len;

memset(&upper,0,sizeof(A));

memset(&normal,0,sizeof(A));

memset(&num,0,sizeof(A));

memset(&other,0,sizeof(A));

len = strlen(s); //獲取源字串長度

p = s;

for (i=0; i<len; i++)

{

tmp = p[i];

if ((tmp>="A") && (tmp<="Z")) //大寫字母

upper.buf[upper.ptr++] = tmp;

else if ((tmp>="a") && (tmp<="z")) //小寫字母

normal.buf[normal.ptr++] = tmp;

else if ((tmp>="0") && (tmp<="9")) //數字

num.buf[num.ptr++] = tmp;

else //其它字元

other.buf[other.ptr++] = tmp;

}

printf("%s",upper.buf);

printf("%s",normal.buf);

printf("%s",num.buf);

printf("%s",other.buf);

getchar();

}