编译时出错：core.obj：错误 LNK2001：未解析的外部符号_harmony_core_init

问：

错误

core.obj : error LNK2001: unresolved external symbol _harmony_core_init
core.obj : error LNK2001: unresolved external symbol _harmony_core_final

core.c - 函数代码段

harmony_core_init(); 

do_init(argc,argv); // Inicializa as funções do servidor  
.
.
do_sockets(next); 
} 
} 

harmony_core_final();

harmony.h - 带有代码的文件

#include "../common/harmserv.h" 

void harmony_core_init(); 
void harmony_core_final(); 

harmony.c - 带有代码的文件

#include "../common/harmony.h" 

void harmony_core_final() { 
db_destroy(mod_exports); 
db_destroy(harm_timer); 
harm_funcs->final(); 
} 

void harmony_core_init() {
int *module_version;
void (*module_init)();
}

感谢您的帮助。