怎么输入一串数字和字符分别储存

怎么输入一串数字和字符分别储存

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#include<stdio.h>
#define N 80
int main(void)
{
void myString(char *str,char *ch,char *num,char *other);
char str[N],ch[N],num[N],other[N];
printf("输入一个字符串: ");
gets(str);
myString(str,ch,num,other);
printf("字母: %s\n数字: %s\n其它: %s\n",ch,num,other);
return 0;
}
void myString(char *str,char *ch,char *num,char *other)
{
int i,j,k,m;
for(i=j=k=m=0;str[i]!='\0';i++)
if((str[i]|32)>='a'&&(str[i]|32)<='z')
ch[j++]=str[i];
else if(str[i]>='0'&&str[i]<='9')
num[k++]=str[i];
else
other[m++]=str[i];
ch[j]=num[k]=other[m]='\0';
return;
}