1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun.. c:namespace:: DTV.ca 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun.. _ca_fclose: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun===================== 7*4882a593SmuzhiyunDigital TV CA close() 8*4882a593Smuzhiyun===================== 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunName 11*4882a593Smuzhiyun---- 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunDigital TV CA close() 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunSynopsis 16*4882a593Smuzhiyun-------- 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun.. c:function:: int close(int fd) 19*4882a593Smuzhiyun 20*4882a593SmuzhiyunArguments 21*4882a593Smuzhiyun--------- 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun``fd`` 24*4882a593Smuzhiyun File descriptor returned by a previous call to :c:func:`open()`. 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunDescription 27*4882a593Smuzhiyun----------- 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunThis system call closes a previously opened CA device. 30*4882a593Smuzhiyun 31*4882a593SmuzhiyunReturn Value 32*4882a593Smuzhiyun------------ 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunOn success 0 is returned. 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunOn error -1 is returned, and the ``errno`` variable is set 37*4882a593Smuzhiyunappropriately. 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunGeneric error codes are described at the 40*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter. 41