table of contents
| NNG_PIPE_ID(3) | NNG Reference Manual | NNG_PIPE_ID(3) |
NAME¶
nng_pipe_id - return numeric pipe identifier
SYNOPSIS¶
#include <nng/nng.h> int nng_pipe_id(nng_pipe p);
DESCRIPTION¶
The nng_pipe_id() function returns a positive identifier for the pipe p, if it is valid. Otherwise it returns -1.
Note
A pipe is considered valid if it was ever created by the socket.
Pipes that are allocated on the stack or statically should be initialized with
the macro NNG_PIPE_INITIALIZER to ensure that they
cannot be confused with a valid pipe.
RETURN VALUES¶
This function returns the positive value for the pipe identifier, or -1 if the pipe is invalid.
ERRORS¶
None.
SEE ALSO¶
| 2024-10-11 |