unix_send (FUN)ΒΆ
FUNCTION unix_send : INT
send a message on a unix domain socket see manpage send
Returnvalue: On success, this call returns the number of bytes sent. On error, -1 is returned, and errno is set to indicate the error.
Internally, this function calls send() which returns of type ssize_t. This might be different to the return value of the IEC function unix_send, which is INT. Calling with length >= INT Max can lead to invalid return values of this function.
- InOut:
Scope
Name
Type
Return
unix_send
INT
Input
sockfd
INT
buf
POINTER TO BYTE
len
ULINT
flags
INT