Reference for package '#rtl'

Reference for unit 'System'

The system unit

Overview

The system unit contains the standard supported functions of Free Pascal. It is the same for all platforms. Basically it is the same as the system unit provided with Borland or Turbo Pascal.

Functions are listed in alphabetical order. Arguments of functions or procedures that are optional are put between square brackets.

The predefined constants and variables are listed in the first section. The second section contains an overview of all functions, grouped by functionality, and the last section contains the supported functions and procedures.

Topic Description
UnicodeSupport Unicode and codepage support
MiscellaneousFunctions Miscellaneous functions
OSfunctions Operating System functions
StringFunctions String handling
MathematicalFunctions Mathematical routines
MemoryFunctions Memory management functions
FileFunctions File handling functions
RuntimeErrors Run-Time Error behaviour