What will happen when the following client code is executed?

struct sockaddr_in server_addr;
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
memset(&server_addr, 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(80);

connect(sockfd, (struct sockaddr*)&server_addr, sizeof(server_addr));

Question

What will happen when the following client code is executed?

struct sockaddr_in server_addr;
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
memset(&server_addr, 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(80);
 
connect(sockfd, (struct sockaddr*)&server_addr, sizeof(server_addr));

Answer

d.  The code will connect to localhost (127.0.0.1) by default

Answer

a.  The socket will be created in non-blocking mode causing connect() to return immediately

Answer

c.  The code will compile but crash at runtime because sockfd wasn't error-checked

Answer

b.  The connect() call will fail because no destination IP address was specified

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What will happen when the following client code is executed? struct sockadd...

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