send_receive 171 clib/csocket.cpp return(send_receive(sendbuf, rbuf)); send_receive 67 include/csocket.h int send_receive(string& sbuf, string& rbuf); send_receive 68 include/csocket.h int send_receive(char *sbuf, string& rbuf); send_receive 53 source/testcs.cpp flag = c1.send_receive("end", h1);