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LinuxÊÇÒ»¸ö¿ªÔ´µÄ²Ù×÷ϵͳ £¬ÆäÄÚºËÔ´´úÂëÍêÈ«¿ª·Å £¬²¢ÇÒÓÐÖØ´óµÄ¿ªÔ´ÉçÇøÖ§³Ö¡£ÕâÒâζ×ÅÓû§¿ÉÒÔ×ÔÓɵØÉó²é¡¢Ð޸ĺͶ¨ÖÆLinuxϵͳµÄ´úÂë £¬ÒÔÖª×ã×Ô¼ºµÄÐèÇ󡣿ªÔ´µÄÌØÕ÷ҲʹµÃLinuxϵͳÓиü¸ßµÄÇå¾²ÐÔ £¬ÓÉÓÚ¸ü¶àµÄÈË¿ÉÒÔÉó²éºÍÐÞ¸´ÏµÍ³ÖеÄÎó²î¡£

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// ÔÚLinuxϵͳÖÐÉó²éÄ¿½ñĿ¼ÏµÄÎļþÁбí
#include <stdio.h>
#include <sys/types.h>
#include <dirent.h>

int main() {
    DIR *dir;
    struct dirent *entry;

    dir = opendir(".");
    if (dir == NULL) {
        perror("opendir");
        return 1;
    }

    while ((entry = readdir(dir)) != NULL) {
        printf("%s
", entry->d_name);
    }

    closedir(dir);
    return 0;
}

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// ÔÚLinuxЧÀÍÆ÷Éϴһ¸ö¼òÆÓµÄWebЧÀÍÆ÷
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

int main() {
    int sockfd, newsockfd, portno, clilen;
    struct sockaddr_in serv_addr, cli_addr;
    char buffer[256];
    int n;

    sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if (sockfd < 0) {
        perror("socket");
        exit(1);
    }

    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = INADDR_ANY;
    serv_addr.sin_port = htons(8080);

    if (bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
        perror("bind");
        exit(1);
    }

    listen(sockfd, 5);
    clilen = sizeof(cli_addr);

    newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);

    bzero(buffer, 256);
    n = read(newsockfd, buffer, 255);
    if (n < 0) {
        perror("read");
        exit(1);
    }

    printf("Here is the message: %s
", buffer);

    close(newsockfd);
    close(sockfd);

    return 0;
}

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// ÔÚLinuxϵͳÖбàÒëÒ»¸ö¼òÆÓµÄC³ÌÐò
#include <stdio.h>

int main() {
    printf("Hello, Linux!
");
    return 0;
}

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