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09/13/2009 at 11:41AM PDT, ID: 24728096
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7.6

Another unresolved external symbol __cdecl C++

Asked by php-newbie in Microsoft Visual C++.Net, C Programming Language

The fun never ends...

I've got one VC++ solution A that I compiled to a lib.
I've got an existing C program B which I'm compiling as C++ solution. I added the lib A into project B and set the lib as a dependency. When I build using functions from A I get the errors below. 
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In the eap_example_peer.c (project B):
#include <eap_peer/eap.h> (project A)
 
	eap_ctx.eap = eap_peer_sm_init(&eap_ctx, &eap_cb, &eap_ctx, &eap_conf);
	if (eap_ctx.eap == NULL)
		return -1;
 
NOTE: eap_peer_sm_init is in project A
 
Error Message:
eap_example_peer.obj : error LNK2019: unresolved external symbol "struct eap_sm * __cdecl eap_peer_sm_init(void *,struct eapol_callbacks *,void *,struct eap_config *)" (?eap_peer_sm_init@@YAPAUeap_sm@@PAXPAUeapol_callbacks@@0PAUeap_config@@@Z) referenced in function "int __cdecl eap_example_peer_init(void)" (?eap_example_peer_init@@YAHXZ)
eap_example_peer.obj : error LNK2019: unresolved external symbol "int __cdecl eap_peer_register_methods(void)" (?eap_peer_register_methods@@YAHXZ) referenced in function "int __cdecl eap_example_peer_init(void)" (?eap_example_peer_init@@YAHXZ)
eap_example_peer.obj : error LNK2019: unresolved external symbol "void __cdecl wpabuf_free(struct wpabuf *)" (?wpabuf_free@@YAXPAUwpabuf@@@Z) referenced in function "void __cdecl eap_example_peer_deinit(void)" (?eap_example_peer_deinit@@YAXXZ)
 
Keywords: Another unresolved external symbol _…
Title
1 error LNK2001: unresolved extern…
2 Thre problems. list<char*> and incl…
 
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[+][-]09/13/09 12:40 PM, ID: 25321444

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About this solution

Zones: Microsoft Visual C++.Net, C Programming Language
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Solution Provided By: ShayanOH
Participating Experts: 4
Solution Grade: A
 
 
[+][-]09/13/09 12:45 PM, ID: 25321459

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[+][-]09/13/09 12:57 PM, ID: 25321500

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[+][-]09/13/09 11:48 PM, ID: 25323250

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[+][-]09/14/09 04:45 AM, ID: 25324491

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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