ssize_t socket_fastopen_connect4(int s,const char* ip,uint16 port,const char* buf,size_t len) { #ifndef MSG_FASTOPEN int r; { #else int r=socket_send4_flag(s,buf,len,ip,port,MSG_FASTOPEN); if (r==-1 && errno==ENOTCONN) { #endif /* apparently the kernel does not support TCP fast open */ r=socket_connect4(s,ip,port); if (r==0) return write(s,buf,len); } return r; }
ssize_t socket_send4(int s,const char *buf,size_t len,const char ip[4],uint16 port) { return socket_send4_flag(s,buf,len,ip,port,0); }