sscanf 返回值

sscanf()函数返回成功匹配并存储的输入项的数量。 如果成功匹配了一个输入项，返回值为1；如果没有匹配成功，返回值为0。 例如，在一个字符串中使用sscanf()函数，如果成功匹配了三个变量，返回值就是3。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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