[fpc-pascal]filepaths on different systems

[Marco van de Voort]

[Charset iso-8859-1 unsupported, filtering to ASCII...]
> Greetings,
> 
> Situation: I am writing some code which is compiled under various systems
> (linux, win, ...).
> 
> 1.How can I find out if a filename is relative or absolute?

Fexpand, but that doesn check for links on linux IIRC.
 
> 2.To concat a path and filename I must know the directory delimiter. How can I
> find out this character?

DirSep

But most standard procedures accept both / as \