pread64(3) is Linux-specific and not declared on other platforms #2009

Job	Run time
OSSF Scorecard	21s
Linux (linux-x86_64-static, true)	5m 41s
macOS (macos-13, macos-aarch64-dyn)	2m 50s
Linux (linux-x86_64-static, false)	3m 36s
macOS (macos-13, macos-x86_64-dyn)	5m 24s
Linux (linux-x86_64-dyn, true)	4m 57s
macOS (macos-13, ios-arm64-dyn)	3m 0s
Windows (windows-2022)	6m 51s
Linux (linux-x86_64-dyn, false)	3m 32s
macOS (macos-13, ios-x86_64-dyn)	2m 34s
Linux (linux-aarch64-musl-dyn, true)	3m 0s
macOS (macos-14, macos-aarch64-dyn)	1m 59s
Linux (linux-aarch64-musl-dyn, false)	1m 41s
macOS (macos-14, ios-arm64-dyn)	2m 6s
Linux (linux-aarch64-dyn, true)	2m 4s
macOS (macos-14, ios-x86_64-dyn)	1m 56s
Linux (linux-aarch64-dyn, false)	2m 4s
Linux (android-arm, true)	1m 57s
Linux (android-arm, false)	2m 2s
Linux (android-arm64, true)	1m 59s
Linux (android-arm64, false)	1m 55s
Linux (win32-static, true)	1m 56s
Linux (win32-static, false)	1m 51s
Linux (win32-dyn, true)	1m 59s
Linux (win32-dyn, false)	1m 50s
Linux (wasm, true)	2m 4s
Linux (wasm, false)	2m 0s
	1h 13m 9s

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