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（注：最左边是文件头的偏移量。）
IMAGE_DOS_HEADER STRUCT
{
+0h WORD e_magic // Magic DOS signature MZ(4Dh 5Ah) DOS可执行文件标记
+2h WORD e_cblp //Bytes on last page of file
+4h WORD e_cp //Pages in file
+6h WORD e_crlc //Relocations
+8h WORD e_cparhdr //Size of header in paragraphs
+0ah WORD e_minalloc //Minimun extra paragraphs needs
+0ch WORD e_maxalloc //Maximun extra paragraphs needs
+0eh WORD e_ss //intial(relative)SS value DOS代码的初始化堆栈SS
+10h WORD e_sp //intial SP value DOS代码的初始化堆栈指针SP
+12h WORD e_csum //Checksum
+14h WORD e_ip // intial IP value DOS代码的初始化指令入口[指针IP]
+16h WORD e_cs //intial(relative)CS value DOS代码的初始堆栈入口
+18h WORD e_lfarlc //File Address of relocation table
+1ah WORD e_ovno // Overlay number
+1ch WORD e_res[4] //Reserved words
+24h WORD e_oemid // OEM identifier(for e_oeminfo)
+26h WORD e_oeminfo // OEM information;e_oemid specific
+29h WORD e_res2[10] // Reserved words
+3ch DWORD e_lfanew //Offset to start of PE header 指向PE文件头
} IMAGE_DOS_HEADER ENDS
小甲鱼PE详解之IMAGE_DOS_HEADER结构定义即各个属性的作用（PE详解01）
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原文地址：http://www.cnblogs.com/kuangke/p/5392885.html
