File tailoring services

The file tailoring services, listed in the order in which they are normally invoked, are:
FTOPEN
Prepares the file tailoring process and specifies whether the temporary file is to be used for output.
FTINCL
Specifies the skeleton to be used and starts the tailoring process.
FTCLOSE
Ends the file tailoring process.
FTERASE
Erases an output file created by file tailoring.