readme

来自「MPICH是MPI的重要研究,提供了一系列的接口函数,为并行计算的实现提供了编程」· 代码 · 共 7 行

This directory contains various header and code files that are
used make Tcl compatible with various releases of UNIX and UNIX-like
systems.  Typically, files from this directory are used to compile
Tcl when a system doesn't contain the corresponding files or when
they are known to be incorrect.  When the whole world becomes POSIX-
compliant this directory should be unnecessary.