fwrite的返回值
时间: 2023-10-25 12:30:23 浏览: 65
fwrite函数的返回值取决于调用格式的不同。如果调用格式为fwrite(buf, sizeof(buf), 1, fp),则成功写入返回值为1(即count);如果调用格式为fwrite(buf, 1, sizeof(buf), fp),则成功写入返回实际写入的数据个数(单位为Byte)。所以,返回值为0并不代表文件读写失败,而是因为调用格式不同导致的返回值不同的情况。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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