Programming

this is the portion of code:
//STAT: LOGIN INFO
    // 3. login info
    i = cs_message_receive(sock, &clicd, buf, sessionkey);
    ticks = GetTickCount()-ticks;
    if (i<=0) {
        close(sock);
        if (tid) pthread_join(tid, NULL);
        pthread_exit();
    }
    if (buf[0]!=MSG_CLIENT_2_SERVER_LOGIN) {
        close(sock);
        if (tid) pthread_join(tid, NULL);
        pthread_exit();
    }
    index = 3;
    // Check username
    struct twin_client_data *usr = cfg.client;
    int found = 0;
    while (usr) {
        if (!strcmp(usr->user,&buf[index])) {
            found=1;
            break;
        }
        usr = usr->next;
    }
    if (!found) {
        buf[0] = MSG_CLIENT_2_SERVER_LOGIN_NAK;
        buf[1] = 0;
        buf[2] = 0;
        cs_message_send(sock, NULL, buf, 3, sessionkey);
        debug("newcamd: unknown user '%s' (%s)\n", &buf[3], ip2string(ip));
        close(sock);
        if (tid) pthread_join(tid, NULL);
        pthread_exit();
    }

mips-linux-uclibc-gcc -c -O2 -I. main.c -o main.o
<built-in>:0: note: someone does not honour COPTS correctly, passed 0 times
main.c: In function 'th_cs_connect_cli':
main.c:196: error: too few arguments to function 'pthread_exit'
main.c:201: error: too few arguments to function 'pthread_exit'
main.c:222: error: too few arguments to function 'pthread_exit'
main.c:257: error: too few arguments to function 'pthread_exit'
make[4]: *** [main.o] Error 1

#CC    = gcc
CXX    = g++
STRIP    = strip
CFLAGS    = -O2 -I.
LFLAGS    = -pthread

OBJECTS = tools.o convert.o debug.o des.o md5crypt.o sockets.o serial.o newcamd.o config.o threads.o main.o

link : $(OBJECTS)
    $(CC) $(LFLAGS) -o twin2cs $(OBJECTS)
.c.o:
    $(CC) -c $(CFLAGS) $< -o $@

clean:
    -rm *.o