// +build darwin dragonfly freebsd netbsd openbsd package pty // from <sys/ioccom.h> const ( _IOC_VOID uintptr = 0x20000000 _IOC_OUT uintptr = 0x40000000 _IOC_IN uintptr = 0x80000000 _IOC_IN_OUT uintptr = _IOC_OUT | _IOC_IN _IOC_DIRMASK = _IOC_VOID | _IOC_OUT | _IOC_IN _IOC_PARAM_SHIFT = 13 _IOC_PARAM_MASK = (1 << _IOC_PARAM_SHIFT) - 1 ) func _IOC_PARM_LEN(ioctl uintptr) uintptr { return (ioctl >> 16) & _IOC_PARAM_MASK } func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr { return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num } func _IO(group byte, ioctl_num uintptr) uintptr { return _IOC(_IOC_VOID, group, ioctl_num, 0) } func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { return _IOC(_IOC_OUT, group, ioctl_num, param_len) } func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr { return _IOC(_IOC_IN, group, ioctl_num, param_len) } func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr { return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len) }