1const builtin = @import("builtin");
 2const std = @import("std");
 3
 4pub const c = switch (builtin.os.tag) {
 5    .macos => @cImport({
 6        @cInclude("sys/ioctl.h"); // ioctl and constants
 7        @cInclude("termios.h");
 8        @cInclude("stdlib.h");
 9        @cInclude("unistd.h");
10    }),
11    .freebsd => @cImport({
12        @cInclude("termios.h"); // ioctl and constants
13        @cInclude("libutil.h"); // openpty()
14        @cInclude("stdlib.h");
15        @cInclude("unistd.h");
16    }),
17    else => @cImport({
18        @cInclude("sys/ioctl.h"); // ioctl and constants
19        @cInclude("pty.h");
20        @cInclude("stdlib.h");
21        @cInclude("unistd.h");
22    }),
23};
24
25// Manually declare forkpty for macOS since util.h is not available during cross-compilation
26pub const forkpty = if (builtin.os.tag == .macos)
27    struct {
28        extern "c" fn forkpty(master_fd: *c_int, name: ?[*:0]u8, termp: ?*const c.struct_termios, winp: ?*const c.struct_winsize) c_int;
29    }.forkpty
30else
31    c.forkpty;