Run-Time Routines by Category

This chapter lists and describes Microsoft run-time library routines by category. For reference convenience, some routines are listed in more than one category. Multibyte-character routines and wide-character routines are grouped with single-byte – character counterparts, where they exist.

The main categories of Microsoft run-time library routines are:

Argument access Floating-point support
Buffer manipulation Input and output
Byte classification Internationalization
Character classification Memory allocation
Data conversion Process and environment control
Debug Searching and sorting
Directory control String manipulation
Error handling System calls
Exception handling Time management
File handling