自定义函数之字符类型统计

#include<stdio.h>

#include<string.h>

int main(void)

{

char a[100];

int i;

int len;

int zimu=0,shuzi=0,kongge=0,qita=0;

gets(a);

len=strlen(a);

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

if(a[i]>='a'&&a[i]<='z'){

zimu++;

}else if(a[i]>='A'&&a[i]<='Z'){

zimu++;

}else if(a[i]>='0'&&a[i]<='9'){

shuzi++;

}else if(a[i]==' '){

kongge++;

}else{

qita++;

}

}

printf("%d %d %d %d\n",zimu,shuzi,kongge,qita);

return 0;

}