printf("%s %4 lf\n" h[i] num, h[i].s); printf ("\n "); ut=fopen("out71 dat","w" fprintf(out, "%d\n%7.3f\n",n ave); /* 输出平均值/ for (i=0; i for (j=i+l; j if (h[i] .s>h[j ] .s) {t=h[i]; h[i]=h[j]; h[j]=t;} /*将成绩由低至高排列...
sptintf 和 fprintf sptintf 和 fprintf sprintf(sql,"SELECT QQnum from user where QQnum='%s';",user_name);目标对象是字符串sql fprintf(stderr, "Can't open database: %s", sqlite3_errmsg(db));目标对象是文件: stderr 等
写文件:fprintf()函数 fprintf()函数用于向文件写入一组字符。它向流发送格式化输出。 语法: intfprintf(FILE stream,constcharformat [, argument, ...]) 示例: #include<stdio.h> main(){FILE *fp;fp = fopen("file.txt","w");//打开文件...