1003.1b-1993 - IEEE Standard for Information Technology - Portable Operating System Interfaces (POSIX(R)) - Part 1: System Application Program Interface (API) - Amendment 1: Realtime Extension [C language]
Description: This amendment is part of the POSIX series of standards for applications and user interfaces to open systems. It defines the applications interface to basic system services for input/output, file system access, and process management. It also defines a format for data interchange. When options specified in the Realtime Extension are included, the standard also defines interfaces appropriate for realtime applications.