Linux snprintf

snprintf是Linux中的一个字符串函数，用于将格式化的数据写入指定的字符串中。它的用法和sprintf类似，都可以将格式化的数据输出到字符串中。不同之处在于，snprintf可以指定输出字符串的最大长度，避免了内存溢出的风险。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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