对下面程序描述正确的是( )。 #include <stdio.h> #include <stdlib.h> void main() {FILE *in,*out; if((in=fopen("file1.txt","a+"))==NULL) {printf("cannot open file1\n"); exit(0); } if((out=fopen("file2.txt","a+"))==NULL) {printf("cannot open file2\n"); exit(0); } while(!feof(out)) fputc(fgetc(out),in); fclose(in); fclose(out); }
The professors and experts held a conference in the academic center of the university to discuss about how to _____the proceedings.