g++编译器:错误地将“pthread_t {aka long unsigned int}”转换为“void* (*)(void*)”[- fper]

I'm trying to compile my program on the command line and I got this error. It was pointing to the pthread_create line in the following code. I have the correct import for pthreads and I am running on Ubuntu so I know that's not the problem. Otherwise, I'm clueless about what's going on.I'm trying to compile my program on the command