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DescriptionThe C library functionvoid rewind(FILE *stream)sets the file position to the beginning of the file of the givenstream.DeclarationFollowing ... 阅读全文
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DescriptionThe C library functionFILE *freopen(const char *filename, const char *mode, FILE *stream)associates a newfilenamewith the given open stream... 阅读全文
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DescriptionThe C library functionFILE *tmpfile(void)creates a temporary file in binary update mode (wb+). The temporary file created is automatically ... 阅读全文
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头文件：#include 定义函数：char * strdup(const char *s);函数说明：strdup()会先用malloc()配置与参数s 字符串相同的空间大小，然后将参数s 字符串的内容复制到该内存地址，然后把该地址返回。该地址最后可以利用free()来释放。返回值：返回一字符串指... 阅读全文