QS_NEIGHBOR
#define QS_MASK_NEIGHBOR ((1 << QS_NEIGHBOR) | (1 << QS_GROUP))
((1 << QS_NEIGHBOR) | (1 << QS_GROUP) | (1 << QS_AS) | \
if (ctx->qs_set & (1 << QS_NEIGHBOR)) {
argv[argc++] = ctx->qs_args[QS_NEIGHBOR].string;
{ QS_NEIGHBOR, "neighbor", STRING, },