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System Procedures and Functions M-RLanguage:
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System Procedures and Functions M-R
This index is an alphabetical listing of all the procedures and functions in the System unit.
You can also look up these procedures and functions in a categorical index, where they are listed by categories of what they do.
Func/Proc │F or P│ What it does
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MaxAvail │ Func │ Returns the size of the largest contiguous free block
│ │ in the heap
MemAvail │ Func │ Returns the amount of all free memory in the heap
MkDir │ Proc │ Creates a subdirectory
Move │ Proc │ Copies bytes from source to dest
New │ Proc │ Creates a new dynamic variable and sets a pointer
│ │ variable to point to it
Odd │ Func │ Tests if the argument is an odd number
Ofs │ Func │ Tests if the argument is an odd number
Ord │ Func │ Returns the ordinal number of an ordinal-type value
ParamCount │ Func │ Returns the number of parameters passed to the program
│ │ on the command line
ParamStr │ Func │ Returns a specified command-line parameter
Pi │ Func │ Returns the value of Pi
Pos │ Func │ Searches for a substring in a string
Pred │ Func │ Returns the predecessor of the argument
Ptr │ Func │ Converts a segment base and an offset address to a
│ │ pointer-type value
Random │ Func │ Returns a random number
Randomize │ Proc │ Initializes the built-in random number generator with
│ │ a random value (obtained from the system clock)
Read │ Proc │ For typed files, reads a file component into a
│ │ variable.
│ │ For text files, reads one or more values into one or
│ │ more variables
Readln │ Proc │ Executes the Read procedure, then skips to the next
│ │ line of the file
Rename │ Proc │ Renames an external file
Reset │ Proc │ Opens an existing file
Rewrite │ Proc │ Creates and opens a new file
RmDir │ Proc │ Removes an empty subdirectory
Round │ Func │ Rounds a real-type value to an integer-type value
RunError │ Proc │ Stops program execution
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