std-sys-mac-p,std-sys-os2-p,std-sys-unix-p


Synopsis

(std-sys-mac-p) ; Macintosh

(std-sys-os2-p) ; OS/2

(std-sys-unix-p) ; unix derivate

Description

Predicate if the current AutoCAD version is running under the special operating system.

To be continued

Cached versions

This function is only called once, the result is stored in the global symbols *SYS-MAC*, *SYS-OS2*, *SYS-UNIX*. All subsequent calls just return a result dependent on the value of this symbol.

Arguments

None

Return Value

T or nil.

Side Effects

Works with the global symbols mentioned above.

Module

Defined in STDINIT