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#include<dlfcn.h>      //ÓÃÓÚ¶¯Ì¬¿â¹ÜÀíµÄϵͳͷÎļþ  
#include "myalib.h"    //Òª°Ñº¯ÊýµÄÍ·Îļþ°üº¬½øÀ´£¬·ñÔò±àÒëʱ»á±¨´í
int main(int argc,char* argv[])
{
   //ÉùÃ÷¶ÔÓ¦µÄº¯ÊýµÄº¯ÊýÖ¸Õë
   void (*pTest)();        
   //¼ÓÔØ¶¯Ì¬¿â
   void *pdlHandle = dlopen("libtest.so", RTLD_LAZY);
   //´íÎó´¦Àí
        if(pdlHandle == NULL )    {
        printf("Failed load library\n");
        return -1;
    }
    char* pszErr = dlerror();
    if(pszErr != NULL)
    {
        printf("%s\n", pszErr);
        return -1;
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