1.1.24.5 socket

C

int socket(int domain, int type, int protocol)

Create an endpoint for communication.


Parameters	Description
domain	Communication domain, must be `AF_INET` or `AF_INET6`.
type	Socket type, must be `SOCK_STREAM` or `SOCK_DGRAM`.
protocol	Specific socket protocol, should be zero or `IPPROTO_TLS`.

Socket file descriptor or -1 for error (errno set).


errno	Description
EAFNOSUPPORT	The implementation does not support the specified address family.
EINVAL	Unknown protocol, or protocol family not available.
EPROTONOSUPPORT	The protocol type or the specified protocol is not supported within this domain.
EFAULT	System fault
ENFILE	The system-wide limit on the total number of open files has been reached.
ENOMEM	Insufficient memory is available. The socket cannot be created until sufficient resources are freed.
EBADMSG	Bad message.