why the str = (unsigned char*)b can't be str = unsigned char*b ? Because (unsigned char*) is a cast. The second one is invalid syntax. ... <看更多>

本篇ShengYu 介紹C/C++ memset 用法與範例，memset 是用來對一段記憶體區塊全部設定為某個值的函式，以下介紹如何使用memset 函式。 C/C++ 使用memset ... ... <看更多>

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memset. This implementation is in the public domain. */. /*. @deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, @. size_t @var{count}). ... <看更多>