2014年4月30日 · The scanf_s function is equivalent to fscanf_s with the argument stdin interposed before the arguments to scanf_s. MSDN says similar things (scanf_s() and …

2019年5月20日 · scanf_s() is not described by the C99 Standard (or previous ones). If you want to use a compiler that targets C99 (or previous) use scanf().

2016年12月5日 · scanf_s 和 scanf 几乎是一样的，但是 scanf_s 在字符串的读入上有不同，允许在参数中指定读入字符串的长度上限，以避免读入的内容长度超过已有的内存空间的长度。 比 …

2018年12月7日 · For scanf, the * indicates that the field is to be read but ignored, so that e.g. scanf("%*d %d", &i) for the input "12 34" will ignore 12 and read 34 into the integer i. Share …

2017年7月20日 · Statement "you dont need to use & in scanf while using %s" might be misleading. A scanf format specifier that is about reading in and storing a value always …

scanf没法防护缓冲区溢出攻击，所以微软搞了个scanf_s用来替代scanf。 具体来讲，scanf在读取字符串时并不会检查输入字符串的长度是否小于存储用的字符串的长度，而是直接将所有输入 …

2014年6月1日 · These versions of scanf, _scanf_l, wscanf, _wscanf_l have security enhancements, as described in Security Features in the CRT: Many old CRT functions have …

scanf_s() is not a direct replacement for scanf(). In this case you have to pass the size of the output buffer as an extra argument. char c; scanf_s("%c", &c, 1); Having to put a 1 as the size …

2018年6月27日 · These versions of scanf,scanf_s, _scanf_l, wscanf, _wscanf_l have security enhancements. Where as Ideone uses GCC because of this only you got undefined reference …

2016年1月30日 · which tells scanf to. Ignore all whitespace characters, if any. Scan a maximum of 24 characters (+1 for the Nul-terminator '\0') or until a \n and store it in str. Change. …