PE文件格式分析

void pe_print()
{
    IMAGE_DOS_HEADER myDosHeader;
    IMAGE_FILE_HEADER myFileHeader;
    int nSectionCount;//PE文件ection数目
    LONG e_lfanew;//为DOS头部的偏移
    FILE *fp;
    if(fp=fopen("e:\1000.exe","rb"))  //打开一个文件
        {
        printf("[+]成功打开了文件 ");
        fread(&myDosHeader,sizeof(IMAGE_DOS_HEADER),1,fp);  //打开一个文件流，读取一个数据块
        e_lfanew = myDosHeader.e_lfanew;  //为DOS头部的偏移
        fseek(fp, (e_lfanew + sizeof(DWORD)), SEEK_SET);
        fread(&myFileHeader,sizeof(IMAGE_FILE_HEADER),1,fp);
        nSectionCount=myFileHeader.NumberOfSections;
        IMAGE_SECTION_HEADER *pmySectionHeader = (IMAGE_SECTION_HEADER *)calloc(nSectionCount, sizeof(IMAGE_SECTION_HEADER));
        fseek(fp, (e_lfanew + sizeof(IMAGE_NT_HEADERS)), SEEK_SET); //从文件起始位置偏移
        fread(pmySectionHeader, sizeof(IMAGE_SECTION_HEADER), nSectionCount, fp);
        int i = 0;
        //printf("%d",nSectionCount);
        for(i = 0; i <nSectionCount; i++,pmySectionHeader++)
            {
            printf("Name: %s ", pmySectionHeader->Name);
            printf("union_PhysicalAddress: %08x ", pmySectionHeader->Misc.PhysicalAddress);
            printf("union_VirtualSize: %04x ", pmySectionHeader->Misc.VirtualSize);
            printf("VirtualAddress: %08x ", pmySectionHeader->VirtualAddress);
            printf("SizeOfRawData: %08x ", pmySectionHeader->SizeOfRawData);
            printf("PointerToRawData: %04x ", pmySectionHeader->PointerToRawData);
            printf("PointerToRelocations: %04x ", pmySectionHeader->PointerToRelocations);
            printf("PointerToLinenumbers: %04x ", pmySectionHeader->PointerToLinenumbers);
            printf("NumberOfRelocations: %04x ", pmySectionHeader->NumberOfRelocations);
            printf("NumberOfLinenumbers: %04x ", pmySectionHeader->NumberOfLinenumbers);
            printf("Charateristics: %04x ", pmySectionHeader->Characteristics);
            }
        if(pmySectionHeader != NULL)          // 释放内存
            {
            free(pmySectionHeader);
            pmySectionHeader = NULL;
            }
        fclose(fp);
        }
    else printf("[-]打开文件失败 ");
}

C语言实现打印section信息