#include "unpxti.h" int main(int argc, char **argv) { int fd; socklen_t optlen; t_uscalar_t mss, sendbuff; fd = T_open(XTI_TCP, O_RDWR, NULL); T_bind(fd, NULL, NULL); optlen = sizeof(mss); Xti_getopt(fd, T_INET_TCP, T_TCP_MAXSEG, &mss, &optlen); printf("TCP mss = %d\n", mss); sendbuff = 65536; Xti_setopt(fd, XTI_GENERIC, XTI_SNDBUF, &sendbuff, sizeof(sendbuff)); optlen = sizeof(sendbuff); Xti_getopt(fd, XTI_GENERIC, XTI_SNDBUF, &sendbuff, &optlen); printf("send buffer size = %d\n", sendbuff); exit(0); }