From Advanced Programming in the UNIX ® Environment, Third Edition, by W. Richard Stevens and Stephen A. Rago (ISBN-13: ). Copyright © 2013 by Pearson Education, Inc. All rights reserved.

Figure 15.6 (continues)

From Advanced Programming in the UNIX ® Environment, Third Edition, by W. Richard Stevens and Stephen A. Rago (ISBN-13: ). Copyright © 2013 by Pearson Education, Inc. All rights reserved.

Figure (continues)

From Advanced Programming in the UNIX ® Environment, Third Edition, by W. Richard Stevens and Stephen A. Rago (ISBN-13: ). Copyright © 2013 by Pearson Education, Inc. All rights reserved. Figure (continues)

From Advanced Programming in the UNIX ® Environment, Third Edition, by W. Richard Stevens and Stephen A. Rago (ISBN-13: ). Copyright © 2013 by Pearson Education, Inc. All rights reserved.

Figure (continues)

From Advanced Programming in the UNIX ® Environment, Third Edition, by W. Richard Stevens and Stephen A. Rago (ISBN-13: ). Copyright © 2013 by Pearson Education, Inc. All rights reserved.