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   int func(int i)
{
return 1;
}
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   g++ -c test.cc -o testcc
gcc -c test.c -o testc
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   nm testcc
00000000 T _Z4funci
U __gxx_personality_v0
nm testc
00000000 T func
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   main.cc
   extern "C"
{
int func(int i);
}
int main(void)
{
func(1);
}
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   g++ main.cc test.c
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   main.c:
   extern int func(int i);
int main(void)
{
func(1);
}
   ÐèÒªÐÞ¸Ätest.ccµÄÔ´Îļþ£º
   extern "C"
{
int func(int i);
}
int func(int i)
{
return 1;
}
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http://www.pcreview.co.uk/forums/thread-211705.php
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