Run-Time Routines by Category

This section 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.

This section also provides .NET Framework equivalent methods or classes where available.

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

Argument Access

Buffer Manipulation

Byte Classification

Character Classification

Data Alignment

Data Conversion

Debug Routines

Directory Control

Error Handling (CRT)

Exception Handling Routines

File Handling

Floating-Point Support

Input and Output


Memory Allocation

Process and Environment Control


Run-Time Error Checking

Searching and Sorting

String Manipulation (CRT)

System Calls

Time Management

See Also

Other Resources

C Run-Time Library Reference