Please explaın these codes and what the commands mean int main() { int sockfd; char buffer[MAXLINE]; char* message = "Hello Server"; struct sockaddr_in servaddr; int n, len; if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { printf("socket creation failed"); exit(0); } memset(&servaddr, 0, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_port = htons(PORT); servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); sendto(sockfd, (const char*)message, strlen(message),0, (const struct sockaddr*)&servaddr,sizeof(servaddr)); printf("Message from server: "); n = recvfrom(sockfd, (char*)buffer, MAXLINE,0, (struct sockaddr*)&servaddr, &len); puts(buffer); close(sockfd); return 0; }
Please explaın these codes and what the commands mean int main() { int sockfd; char buffer[MAXLINE]; char* message = "Hello Server"; struct sockaddr_in servaddr; int n, len; if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { printf("socket creation failed"); exit(0); } memset(&servaddr, 0, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_port = htons(PORT); servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); sendto(sockfd, (const char*)message, strlen(message),0, (const struct sockaddr*)&servaddr,sizeof(servaddr)); printf("Message from server: "); n = recvfrom(sockfd, (char*)buffer, MAXLINE,0, (struct sockaddr*)&servaddr, &len); puts(buffer); close(sockfd); return 0; }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Computer Science
Please explaın these codes and what the commands mean
int main()
{
int sockfd;
char buffer[MAXLINE];
char* message = "Hello Server";
struct sockaddr_in servaddr;
int n, len;
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("socket creation failed");
exit(0);
}
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(PORT);
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
sendto(sockfd, (const char*)message, strlen(message),0, (const struct sockaddr*)&servaddr,sizeof(servaddr));
printf("Message from server: ");
n = recvfrom(sockfd, (char*)buffer, MAXLINE,0, (struct sockaddr*)&servaddr, &len);
puts(buffer);
close(sockfd);
return 0;
}
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