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1.Ï̴߳´½¨º¯Êý£ºpthread_create(pthread_t * id,pthread_attr_t *attr,void *(*start_routine)(void*),void *arg);
   id---Ïß³Ìid ,Ï̴߳´½¨³É¹¦Ê±µÄ·µ»ØÖµ£¬ÓÃÓÚ¶ÔÏ̵߳IJÙ×÷¡£
   attr---Ïß³ÌÊôÐÔ£¬¼òµ¥µÄÉèΪNULL¾Í¿ÉÒÔÁË¡£
   void *(*start_routine)(void*) --- Ï̺߳¯Êý£¬Ò²¾Í¹¤×÷Ï̵߳Äʵ¼ÊÔËÐв¿·ÖµÄ´úÂë¶Î¡£
   arg --- Ï̲߳ÎÊý£¬ÊÇË«ÏòµÄ£¬Ò²¾ÍÊÇÒ»¸öÊäÈëÊä³öÀàÐ͵IJÎÊý¡£
2.µÈ´ýÏ̷߳µ»Øº¯Êý£ºpthread_join(pthread_t id,void *ret);
   id--- Ïß³Ìid¡£
   ret --- Ï̵߳ķµ»ØÖµ¡£
3.Í˳öỊ̈߳ºpthread_exit(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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pcm.!dmix {
type dmix
ipc_key 5678293
ipc_key_add_uid yes
slave {
pcm "hw:0,0"
period_time 0
period_size 2048
buffer_size 16384
format S16_LE
rate 48000
}
}
pcm.!dsnoop {
type dsnoop
ipc_key 5778293
ipc_key_add_uid yes
slave {
pcm "hw:0 ......

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/*
 * FUNCTION     : str_replace
 *
ABSTRACT     : replace child string in a string.
 *
PARAMETER  &nbs ......

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aria2 ÊÇ Linux ÏÂÒ»¸ö²»´íµÄ¸ßËÙÏÂÔØ¹¤¾ß
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dd if=/dev/zero of=/dev/rd/1 bs=1k count=9216
mke2fs -vm0 /dev/rd/1 9216
mount /dev/rd/1 /tmp/
umount -v /tmp
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linux RamDisk
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