NDCODE repository - ack.git/commit

Create a basic and probably wrong common unistd.h, which replaces the plat one.
Made this work with cpm (but nothing else yet).

build.lua		diff \| blob \| history
lang/cem/libcc.ansi/headers/ack/config.h		diff \| blob \| history
lang/cem/libcc.ansi/headers/stdint.h		diff \| blob \| history
lang/cem/libcc.ansi/headers/unistd.h	[moved from plat/cpm/include/unistd.h with 54% similarity]	diff \| blob \| history
plat/cpm/include/build.lua		diff \| blob \| history
plat/cpm/include/sys/types.h	[new file with mode: 0644]	blob
plat/cpm/libsys/read.c		diff \| blob \| history
plat/cpm/libsys/write.c		diff \| blob \| history

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