...
NQ_Ain ($8600), application enquiry (system use only)
NQ_Khn ($8603), read keyboard handle (use ":INP" device instead)
NQ_Shn ($8606), read screen handle (use ":SCR" device instead)
NQ_Phn ($8609), read printer indirected handle
NQ_Nhn ($860C), read null handle (use ":NUL" device instead)
NQ_Wai ($860F), Who am I? (system use only)
NQ_Com ($8612), read comms handle (use ":COM" device instead)
NQ_Ihn ($8615), read IN handle (use ":INP" device instead)
NQ_Ohn ($8618), read OUT handle (use ":OUT" device instead)
NQ_Rhn ($861B), read direct printer handle
NQ_Voz ($861E), application verifies running OZ version (OZ 4.5 and newer)
Memory Management
NQ_Mfs ($8900), read free space information (system use only)
NQ_Slt ($8903), read slot type information (system use only)
NQ_Mfp ($8906), get total of free RAM pages in slot (OZ 4.2 and newer)
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