Microsoft run-time library routines handle various kinds of tasks. If you know the type of task you need done, but don't know exactly which routine to use, the categorized lists of routines in this chapter can help. The descriptions here are intended only to give you a brief overview of the capabilities of the run-time library. For a complete description of the behavior, syntax, and use of each routine, see Part 2, “Run-Time Functions.”
The main categories of library routines are
Buffer manipulation
Character classification and conversion
Data conversion
Directory control
File handling
Graphics
Input and output
Internationalization
Math
Memory allocation
Process and environment control
QuickWin
Searching and sorting
String manipulation
System calls
Time
Variable-length argument lists
Virtual memory allocation