csapp ch10.2练习题

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package csapp

import kotlinx.cinterop.*
import platform.posix.*

fun main() {
    val fd1 = open("foobar.txt", O_RDONLY, 0)
    val fd2 = open("foobar.txt", O_RDONLY, 0)
    val buffer = ByteArray(1024)
    buffer.usePinned { pinned ->
        read(fd1, pinned.addressOf(0), 1)
        read(fd2, pinned.addressOf(0), 1)
        println("c = ${buffer[0].toChar()}")
    }
    exit(0)
}

最后输出