我试图在CYGWIN gcc中编译一个C套接字程序,但当我编译客户机程序时,它给出了以下错误client.h:11:5: warning: incompatible implicit declaration of built-in function ‘exit’ [enabled by default] ^client.h:30:9: warning: incompatible implicit declaration of bui
using namespace std;
string king = "Harold";}strings.h: In function ‘std::string cat(std::string_view, std::string_view)’:
strings.h:7:41: error: no mat