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1.Ï̴߳´½¨º¯Êý£ºpthread_create(pthread_t * id,pthread_attr_t *attr,void *(*start_routine)(void*),void *arg);
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2.µÈ´ýÏ̷߳µ»Øº¯Êý£ºpthread_join(pthread_t id,void *ret);
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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
void *thread_function(void *arg);
char message[] = "Hello World";
int main() {
    int res;
    pthread_t a_thread;
    void *thread_result;
    res = pthread_create(&a_thread, NULL, thread_function, (void *)message);
    if (res != 0) {
        perror("Thread creation failed");
        exit(EXIT_FAILURE);
    }
    printf("Waiting for thread to finish...\n");
    res = pthread_join(a_thread, &thread_result);
    if (res != 0) {
        perror("Thread join failed");
        exit(EXIT_FAILURE);
    }
    printf("Thread joined, it returned %s\n", (char *)thr


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