18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci.. c:namespace:: DTV.ca 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ci.. _ca_fclose: 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci===================== 78c2ecf20Sopenharmony_ciDigital TV CA close() 88c2ecf20Sopenharmony_ci===================== 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciName 118c2ecf20Sopenharmony_ci---- 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciDigital TV CA close() 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciSynopsis 168c2ecf20Sopenharmony_ci-------- 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci.. c:function:: int close(int fd) 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ciArguments 218c2ecf20Sopenharmony_ci--------- 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci``fd`` 248c2ecf20Sopenharmony_ci File descriptor returned by a previous call to :c:func:`open()`. 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ciDescription 278c2ecf20Sopenharmony_ci----------- 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ciThis system call closes a previously opened CA device. 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ciReturn Value 328c2ecf20Sopenharmony_ci------------ 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciOn success 0 is returned. 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ciOn error -1 is returned, and the ``errno`` variable is set 378c2ecf20Sopenharmony_ciappropriately. 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ciGeneric error codes are described at the 408c2ecf20Sopenharmony_ci:ref:`Generic Error Codes <gen-errors>` chapter. 41