4.2.7. CA_GET_MSG

4.2.7.1. Name

CA_GET_MSG

4.2.7.2. Synopsis

int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)

4.2.7.3. Arguments

fd

File descriptor returned by a previous call to open().

msg

Pointer to struct ca_msg.

struct ca_msg

struct ca_msg

type	name	description
unsigned int	index
unsigned int	type
unsigned int	length
unsigned char	msg[256]

4.2.7.4. Description

Note

This ioctl is undocumented. Documentation is welcome.

4.2.7.5. Return Value

On success 0 is returned, on error -1 and the errno variable is set appropriately. The generic error codes are described at the Generic Error Codes chapter.