ENOEXECENOEXEC — Exec Format Error
An attempt was made to execute a file that is not in a recognized executable format.
EPFNOSUPPORTThe specified protocol family is not supported or not configured in the system.
The address family passed to socket() is not implemented in the kernel.
Use a supported protocol family such as AF_INET or AF_INET6. Load the required kernel module if available.
ENOEXECAn attempt was made to execute a file that is not in a recognized executable format.
ENXIOThe device specified by a special file does not exist or is not configured.
ERANGEThe result of a mathematical function or conversion is too large or too small to be represented.
ECONNREFUSEDNo process is listening on the target address and port, so the connection was actively refused.
SIGHUP (1)The controlling terminal was closed or the session leader process ended.
ENOPROTOOPTThe requested protocol option is not available or not supported at the specified level.