#include <stdio.h>
#include <pthread.h>
#include <unistd.h>

void *printer(void *data)
{
    char *msg = (char *)data;
    while (*msg)
    {
        printf("%c", *msg++);
        fflush(stdout);
        sleep(1);
    }
    return NULL;
}

int main(int argc, char const **argv)
{
    pthread_t tid1, tid2;
    pthread_create(&tid1, NULL, printer, "disen666\0");
    pthread_create(&tid2, NULL, printer, "lucy888\0");

    pthread_join(tid1, NULL);
    pthread_join(tid2, NULL);
    printf("---over---\n");

    return 0;
}