...统计此字符串中的字母,数字,空格和其他字符的个数答:include<stdio.h> int main(){ void tj(char a[50]);char k[50];extern int zf,sz,kg,qt;zf=0,sz=0,kg=0,qt=0;printf("please enter a array:\n");gets(k);tj(k);printf("the zf have:%d\nthe sz have:%d\nthe kg have:%d\nthe qt have:%d\n",zf,sz,kg,qt);retur...