current必须定义为int，以允许可靠地测试文件结尾。EOF具有与fgetc()返回的所有字节值不同的负值，但char...
在C语言中,使用文件指针(File Pointer)来表示文件,通过文件指针可以进行文件的打开、关闭、读取和写入等操作。文件操作包括打开文件、关闭文件、读取文件、写入文件、移动文件指针等。 一、引言 1.1、文件的概念和作用 文件是计算机中存储数据的一种方式,它是一组相关数据的集合,可以包含文本、图像、音频、视频等各种类...
//set file pointer to the beginning fseek(fp, 0, SEEK_SET); // use rewind(fp) will do as well fclose(fp); return 0; } 结果 Before using fseek --->WENXUE.ca or 1eq.ca is a laomai tutorial website. After SEEK_SET to 23 --->a laomai tutorial website. After SEEK_CUR to -...
feat: add pool tracing to 'MultiTracer' & move it to another package Jul 13, 2024 extended_query_builder.go Only use anynil inside of pgtype May 19, 2024 go.mod update golang.org/x/crypto v0.27.0 => v0.31.0 Dec 12, 2024
//打开文件 FILE * fopen ( const char * filename, const char * mode ); //If the file is successfully opened, the function returns a pointer to a FILE object that can be used to identify the stream on future operations. //Otherwise, a null pointer is returned. //关闭文件 int fclose...
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On latest version (0.4.8) of libming and commit 50e2bf7, there is a null pointer dereference in getInt function of decompile.c file, which could be triggered by the POC below. To reproduce the issue, run ./swftophp $POC The POC is attach...
Compiler warning (level 1) C4604'type': passing an argument of this type by value across the native/managed boundary requires the type to be move- or copy-constructible. Otherwise, the runtime behavior is undefined Compiler warning (level 1, off) C4605'/Dmacro' specified on current command...
如果一个指针变量指向了数组,我们就称它为数组指针变量(Array Pointer)。 数组指针指向的是数组中的一个具体元素,而不是整个数组,所以数组指针的类型和数组元素的类型有关,上面的例子中,p 指向的数组元素是 int 类型,所以 p 的类型必须也是int *。
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