将字符串写入文件。

实例

include

include / exit() 函数 /

int main()
{
char sentence[1000];
FILE *fptr;

fptr = fopen("runoob.txt", "w");
if(fptr == NULL)
{
printf("Error!");
exit(1);
}

printf("输入字符串:\n");
fgets(sentence, (sizeof sentence / sizeof sentence[0]), stdin);

fprintf(fptr,"%s", sentence);
fclose(fptr);

return 0;
}
输出结果为：

输入字符串:
runoob.com
打开文件 runoob.txt:

$ cat runoob.txt
runoob.com