#include<stdio.h>例12-1源程序#include<stdlib.h>#include<process.h>int main(void)YFILE *fp;/*1.定义文件指针*/long num; char stname[2o];int i, score; int avg_score = O;/*2.打开文件*if((fp=fopen("c:llf12-1.txt","r"))==NULL)printf("File open error!\n");exit(0);1续下页...#include <stdio.h> #include <stdlib.h> #include <process.h> int main(void) { FILE *fp; /*1.定义文件指针*/ long num; char stname[20]; int i, score; int avg_score = 0; if((fp=fopen("c:\\f12-1.txt","r")) == NULL) /*2.打开文件*/ { printf("File open error!\n"); exit(0); } 续下页. 例12-1 源程序