[39730] | 1 | /** @file
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| 2 | * IPRT CD/DVD/BD-ROM Drive API.
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| 3 | */
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| 4 |
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| 5 | /*
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[98103] | 6 | * Copyright (C) 2012-2023 Oracle and/or its affiliates.
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[39730] | 7 | *
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[96407] | 8 | * This file is part of VirtualBox base platform packages, as
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| 9 | * available from https://www.virtualbox.org.
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[39730] | 10 | *
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[96407] | 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation, in version 3 of the
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| 14 | * License.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 23 | *
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[39730] | 24 | * The contents of this file may alternatively be used under the terms
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| 25 | * of the Common Development and Distribution License Version 1.0
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[96407] | 26 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 27 | * in the VirtualBox distribution, in which case the provisions of the
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[39730] | 28 | * CDDL are applicable instead of those of the GPL.
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| 29 | *
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| 30 | * You may elect to license modified versions of this file under the
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| 31 | * terms and conditions of either the GPL or the CDDL or both.
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[96407] | 32 | *
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| 33 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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[39730] | 34 | */
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| 35 |
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[76557] | 36 | #ifndef IPRT_INCLUDED_cdrom_h
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| 37 | #define IPRT_INCLUDED_cdrom_h
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[76507] | 38 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 39 | # pragma once
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| 40 | #endif
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[39730] | 41 |
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| 42 | #include <iprt/types.h>
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| 43 |
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| 44 | RT_C_DECLS_BEGIN
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| 45 |
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[53615] | 46 | /** @defgroup grp_rt_cdrom IPRT CD/DVD/BD-ROM Drive API
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| 47 | * @ingroup grp_rt
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[39730] | 48 | *
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| 49 | * The user of the API is currently resposible for serializing calls to it.
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| 50 | *
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| 51 | * @{
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| 52 | */
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| 53 |
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| 54 | /** CD-ROM drive handle. */
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| 55 | typedef struct RTCDROMINT *RTCDROM;
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| 56 | /** Pointer to a CD-ROM handle. */
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| 57 | typedef RTCDROM *PRTCDROM;
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| 58 | /** NIL CD-ROM handle value. */
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| 59 | #define NIL_RTCDROM ((RTCDROM)0)
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| 60 |
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| 61 |
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| 62 | /** @name CD-ROM open flags.
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| 63 | * @{ */
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| 64 | #define RTCDROM_O_READ RT_BIT(0)
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| 65 | #define RTCDROM_O_WRITE RT_BIT(1)
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| 66 | #define RTCDROM_O_CONTROL RT_BIT(2)
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| 67 | #define RTCDROM_O_QUERY RT_BIT(3)
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| 68 | #define RTCDROM_O_ALL_ACCESS (RTCDROM_O_READ | RTCDROM_O_WRITE | RTCDROM_O_CONTROL | RTCDROM_O_QUERY)
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| 69 | /** @} */
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| 70 |
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| 71 | /**
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| 72 | * Opens the CD-ROM drive (by name).
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| 73 | *
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| 74 | * @returns IPRT status code.
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| 75 | * @param pszName The CD-ROM name (path).
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| 76 | * @param fFlags Open flags, see RTCDROM_O_XXX.
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| 77 | * @param phCdrom Where to return the CDROM handle.
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| 78 | */
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[57926] | 79 | RTDECL(int) RTCdromOpen(const char *pszName, uint32_t fFlags, PRTCDROM phCdrom);
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[39730] | 80 |
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| 81 | /**
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| 82 | * Retains a reference to the CD-ROM handle.
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| 83 | *
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| 84 | * @returns New reference count, UINT32_MAX on invalid handle (asserted).
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| 85 | * @param hCdrom The CD-ROM handle to retain.
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| 86 | */
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| 87 | RTDECL(uint32_t) RTCdromRetain(RTCDROM hCdrom);
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| 88 |
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| 89 | /**
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| 90 | * Releases a reference to the CD-ROM handle.
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| 91 | *
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| 92 | * When the reference count reaches zero, the CD-ROM handle is destroy.
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| 93 | *
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| 94 | * @returns New reference count, UINT32_MAX on invalid handle (asserted).
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| 95 | * @param hCdrom The CD-ROM handle to retain.
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| 96 | */
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| 97 | RTDECL(uint32_t) RTCdromRelease(RTCDROM hCdrom);
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| 98 |
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| 99 | /**
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| 100 | * Query the primary mount point of the CD-ROM.
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| 101 | *
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| 102 | * @returns IPRT status code.
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| 103 | * @retval VERR_BUFFER_OVERFLOW if the buffer is too small. The buffer will be
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| 104 | * set to an empty string if possible.
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| 105 | *
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| 106 | * @param hCdrom The CD-ROM handle.
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| 107 | * @param pszMountPoint Where to return the mount point.
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| 108 | * @param cbMountPoint The size of the mount point buffer.
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| 109 | */
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| 110 | RTDECL(int) RTCdromQueryMountPoint(RTCDROM hCdrom, char *pszMountPoint, size_t cbMountPoint);
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| 111 |
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| 112 | /**
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| 113 | * Unmounts all file-system mounts related to the CD-ROM.
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| 114 | *
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| 115 | * @returns IPRT status code.
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| 116 | * @param hCdrom The CD-ROM handle.
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| 117 | */
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| 118 | RTDECL(int) RTCdromUnmount(RTCDROM hCdrom);
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| 119 |
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| 120 | /**
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| 121 | * Ejects the CD-ROM from the drive.
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| 122 | *
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| 123 | * @returns IPRT status code.
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| 124 | * @param hCdrom The CD-ROM handle.
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| 125 | * @param fForce If set, unmount and unlock will be performed.
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| 126 | */
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| 127 | RTDECL(int) RTCdromEject(RTCDROM hCdrom, bool fForce);
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| 128 |
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| 129 | /**
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| 130 | * Locks the CD-ROM so it cannot be ejected by the user or system.
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| 131 | *
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| 132 | * @returns IPRT status code.
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| 133 | * @param hCdrom The CD-ROM handle.
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| 134 | */
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| 135 | RTDECL(int) RTCdromLock(RTCDROM hCdrom);
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| 136 |
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| 137 | /**
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| 138 | * Unlocks the CD-ROM so it can be ejected by the user or system.
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| 139 | *
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| 140 | * @returns IPRT status code.
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| 141 | * @param hCdrom The CD-ROM handle.
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| 142 | */
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| 143 | RTDECL(int) RTCdromUnlock(RTCDROM hCdrom);
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| 144 |
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| 145 |
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| 146 | /** @name Ordinal / Enumeration
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| 147 | * @{ */
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| 148 | /**
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| 149 | * Get the current number of CD-ROMs.
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| 150 | *
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| 151 | * This is handy for using RTCdromOpenByOrdinal() or RTCdromOrdinalToName() to
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| 152 | * perform some kind of enumeration of all drives.
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| 153 | *
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| 154 | * @returns Number of CD-ROM drivers in the system.
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| 155 | */
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| 156 | RTDECL(unsigned) RTCdromCount(void);
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| 157 |
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| 158 | /**
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| 159 | * Translates an CD-ROM drive ordinal number to a path suitable for RTCdromOpen.
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| 160 | *
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| 161 | * @returns IRPT status code.
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| 162 | * @retval VINF_SUCCESS on success, with the name in the buffer.
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| 163 | * @retval VERR_BUFFER_OVERFLOW if the buffer is too small. The buffer will be
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| 164 | * set to an empty string if possible, in order to prevent trouble.
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| 165 | * @retval VERR_OUT_OF_RANGE if the ordinal number is higher than the current
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| 166 | * number of CD-ROM drives.
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| 167 | *
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| 168 | * @param iCdrom The CD-ROM drive ordinal. Starts at 0.
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| 169 | * @param pszName Where to return the name (path).
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| 170 | * @param cbName Size of the output buffer.
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| 171 | *
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| 172 | * @remarks The ordinals are volatile. They may change as drives are attached
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| 173 | * or detected from the host.
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| 174 | */
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| 175 | RTDECL(int) RTCdromOrdinalToName(unsigned iCdrom, char *pszName, size_t cbName);
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| 176 |
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| 177 | /**
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| 178 | * Combination of RTCdromOrdinalToName() and RTCdromOpen().
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| 179 | *
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| 180 | * @returns IPRT status code.
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[57926] | 181 | * @param iCdrom The CD-ROM number.
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[39730] | 182 | * @param fFlags Open flags, see RTCDROM_O_XXX.
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| 183 | * @param phCdrom Where to return the CDROM handle .
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| 184 | * @remarks See remarks on RTCdromOrdinalToName().
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| 185 | */
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| 186 | RTDECL(int) RTCdromOpenByOrdinal(unsigned iCdrom, uint32_t fFlags, PRTCDROM phCdrom);
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| 187 |
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| 188 | /** @} */
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| 189 |
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| 190 | /** @} */
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| 191 |
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| 192 | RT_C_DECLS_END
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| 193 |
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[76585] | 194 | #endif /* !IPRT_INCLUDED_cdrom_h */
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[39730] | 195 |
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