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#include <xti.h> int t_sysconf(intname);
The t_sysconf() function provides a method for the application to determine the current value of configurable and implementation-dependent XTI limits or options.
The name argument represents the XTI system variable to be queried. The following table lists the minimal set of XTI system variables from <xti.h> that can be returned by t_sysconf(), and the symbolic constants, defined in <xti.h> that are the corresponding values used for name.
| Variable | Value of Name |
| T_IOV_MAX | _SC_T_IOV_MAX |
If name is valid, t_sysconf() returns the value of the requested limit/option, which might be -1, and leaves t_errno unchanged. Otherwise, a value of -1 is returned and t_errno is set to indicate an error.
All.
On failure, t_errno is set to the following:
TBADFLAG
name has an invalid value.
In the TLI interface definition, no counterpart of this routine was defined.
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| MT-Level | MT-Safe |
sysconf(3C), t_rcvv(3NSL), t_rcvvudata(3NSL), t_sndv(3NSL), t_sndvudata(3NSL), attributes(5)