WebOct 27, 2008 · What you need to do is declare the variable in your source file, and then declare it with "extern" in the header file to tell the compiler that the variables in question … WebMar 9, 2009 · 1>main.obj : error LNK2005: "struct BITMAP * explode_bmp" (?explode_bmp@@3PAUBITMAP@@A) already defined in bullet.obj Ok so I basically have …
"Already defined in .obj" - what? - C++ Forum
WebNov 17, 2011 · Define the functions in misc.cpp, rather than in misc.h.. The problem is probably due to #includeing misc.h in multiple CPP files. the header guards prevent a header from being included multiple times in the same translation unit, but each CPP file is (typically) a separate translation unit.So those functions end up getting defined twice -- … WebMay 5, 2014 · Therefore, you've defined data::integer twice. You should avoid defining variables in your header files. If you want a variable to be visible in multiple modules, you … b山形系統
error LNK 2005... struct already defined - C++ Forum
WebOct 31, 2009 · 1>Building1Explore.obj : error LNK2005: "struct _D3DMATERIAL9 * material" ( ?material@ @ 3PAU_D3DMATERIAL9@ @A) already defined in stdafx.obj 1>DirectInput.obj : error LNK2005: "struct IDirectInput8W * din" ( ?din@ @ 3PAUIDirectInput8W@ @A) already defined in stdafx.obj Webstruct repFieldInfo det_rep_info; Then do the same with the other three duplicated variables. Exactly where to put these variable depends on personal taste, choice and coding … WebDec 10, 2024 · In a tipical program, for a function/struct class etc.. you have what's called a definition, and a declaration. The definition of a function/struct/class tells the compiler "hey, this function/struct/class exists, it returns this, and has these parameters, so compile this code without any error". b層戦略