Library Functions

• NULL Macro
  
  
• Diagnostic Printed by the assert Function
  
  
• Character Testing
  
  
• Domain Errors
  
  
• Underflow of Floating-Point Values
  
  
• The fmod Function
  
  
• The signal Function
  
  
• Default Signals
  
  
• Terminating Newline Characters
  
  
• Blank Lines
  
  
• Null Characters
  
  
• File Position in Append Mode
  
  
• Truncation of Text Files
  
  
• File Buffering
  
  
• Zero-Length Files
  
  
• Filenames
  
  
• File Access Limits
  
  
• Deleting Open Files
  
  
• Renaming with a Name That Exists
  
  
• Reading Pointer Values
  
  
• Reading Ranges
  
  
• File Position Errors
  
  
• Messages Generated by the perror Function
  
  
• Allocating Zero Memory
  
  
• The abort Function
  
  
• The atexit Function
  
  
• Environment Names
  
  
• The system Function
  
  
• The strerror Function
  
  
• The Time Zone
  
  
• The clock Function