Secure Programming for Linux and Unix HOWTO Prev Next Chapter 7. Carefully Call Out to Other Resources   Do not put your trust in princes, in mortal men, who cannot save.   Psalms 146:3 (NIV) Table of Contents 7.1. Call Only Safe Library Routines 7.2. Limit Call-outs to Valid Values 7.3. Call Only Interfaces Intended for Programmers 7.4. Check All System Call Returns 7.5. Avoid Using vfork(2) 7.6. Counter Web Bugs When Retrieving Embedded Content 7.7. Hide Sensitive Information Prev Home Next Prevent Cross-Site Malicious Content   Call Only Safe Library Routines