STREAMS
\stɹˈiːmz], \stɹˈiːmz], \s_t_ɹ_ˈiː_m_z]\
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A collection of system calls, kernelresources, and kernel utility routines that can create, use,and dismantle a stream. A "stream head" provides theinterface between the stream and the user processes. Itsprincipal function is to process STREAMS-related user systemcalls. A "stream module" processes data that travel bewteenthe stream head and driver. The "stream end" provides theservices of an external input/output device or an internalsoftware driver. The internal software driver is commonlycalled a pseudo-device driver.The STREAMS concept has been formalised in Unix System V.For example, SVR4 implements sockets and pipes usingSTREAMS, resulting in pipe(2) openning bidirectional pipes.[IBM AIX 3.2 Communication Programming Concepts, SC23-2206-03].
By Denis Howe
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Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.