c程序，用libcurl訪問一個https rest url, 同樣的程序在32位centos測試沒問題，但在64位centos下出錯：
gdb：
2296 CURLcode cr = curl_easy_perform(curl);
(gdb) n
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff37921c0 in pthread_mutex_lock () from /lib64/libpthread.so.0
大家給點思路吧
