...题目要求提取第一个文本中第一个空格前的字符串与第二个文本中第一...答:include "string.h"include "stdlib.h"include "conio.h"void main(){ FILE *fr,*fw,*fp;char a[81],b[81],x[81],y[81],*p,*q,*s,*t,*k;int n,m;fr=fopen("data2.txt","r");fp=fopen("content.txt","r");fw=fopen("data3.txt","w");if(!fr||!fw||!fp){ pri...