88 lines
1.6 KiB
C
88 lines
1.6 KiB
C
//#include <errno.h>
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//#include <netdb.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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// accept
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// atoi
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// bind
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// bzero
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// calloc
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// close
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// exit
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// free
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// listen
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// malloc
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// memset
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// realloc
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// recv
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// select
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// send
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// socket
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// sprintf
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// strcat
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// strcpy
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// strlen
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// strstr
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// write
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void putstr(int fd, char *str) {
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write(fd, str, strlen(str));
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}
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void error(char *str, int code) {
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putstr(2, str);
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exit(code);
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}
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int main(int ac, char **av) {
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int port;
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int sockfd;
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// int connfd;
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// int len;
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struct sockaddr_in servaddr;
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// struct cli;
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if (ac < 1)
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error("Wrong number of arguments\n", 1);
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port = atoi(av[1]);
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if (port == -1)
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error("Fatal error\n", 1);
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// socket create and verification
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd == -1)
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error("socket creation failed...\n", 0);
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else
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putstr(1, "Socket successfully created..\n");
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bzero(&servaddr, sizeof(servaddr));
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// assign IP, PORT
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servaddr.sin_family = AF_INET;
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servaddr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
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servaddr.sin_port = htons(8081);
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// // Binding newly created socket to given IP and verification
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// if ((bind(sockfd, (const struct sockaddr *)&servaddr, sizeof(servaddr))) != 0) {
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// printf("socket bind failed...\n");
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// exit(0);
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// }
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// else
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// printf("Socket successfully binded..\n");
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// if (listen(sockfd, 10) != 0) {
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// printf("cannot listen\n");
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// exit(0);
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// }
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// len = sizeof(cli);
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// connfd = accept(sockfd, (struct sockaddr *)&cli, &len);
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// if (connfd < 0) {
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// printf("server acccept failed...\n");
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// exit(0);
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// }
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// else
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// printf("server acccept the client...\n");
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}
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