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Driver Flag Constant

A STREAMS driver or module should provide a driver flag constant containing either 0 or the flag D_MP. (See "Driver Flag Constant" and "Flag D_MP"). The name of the constant is pfxdevflag.

Note: A driver or module that does not export pfxdevflag is assumed to use SVR3 calling conventions at its pfxopen() and pfxclose() entry points. However, this support will be withdrawn in a release of IRIX in the very near term. If you are porting a STREAMS driver or module to IRIX you are urged to make sure it uses SVR4 conventions and exports a pfxdevflag containing at least 0.


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