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preadv2

linux.preadv2

pub fn preadv2(fd: fd_t, iov: [*]const iovec, count: usize, offset: off_t, flags: kernel_rwf) usize

File

lib/std/os/linux.zig:1487

Code

pub fn preadv2(fd: fd_t, iov: [*]const iovec, count: usize, offset: off_t, flags: kernel_rwf) usize {
    const offset_u: u64 = @bitCast(offset);
    return syscall6(
        .preadv2,
        @as(u32, @bitCast(fd)),
        @intFromPtr(iov),
        count,
        // See comments in preadv
        @truncate(offset_u),
        if (@sizeOf(syscall_arg_t) < @sizeOf(u64)) @truncate(offset_u >> 32) else 0,
        flags,
    );
}