c语言程序设计文件打开关闭答:fprintf(fp,"%f ",info.chin);fprintf(fp,"%f\n",info.engl);} for(i=0;i<5;i++){ fscanf(fp,"%s",info.numb);fscanf(fp,"%s",info.name);fscanf(fp,"%f",&info.math);fscanf(fp,"%f",&info.chin);fscanf(fp,"%f",&info.engl);info.sum=info.math+info.chin+info.engl;...
c语言中,当程序退出时,怎样用一个文件将程序中的所有变量的值保存下来...答:1、FILE *fp;fp=fopen("c:\\read.txt","w");if(!fp) exit(0);fprintf(fp,"%d,%d",a,b);2、FILE *out,*in;//下面是把三个变量存储到文件中 out=fopen("out.txt","w");fprintf(out,"%d %d %c",a,b,c);