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mmapi: an mmap/munmap interface This pair of functions offers a hopefully simpler interface to map/unmap files into memory using the system mmap/munmap calls. When opening a new mapped file, a maximum size (in bytes) can be provided to limit the mapping the first max_size bytes of the file. Providing max_size=0 maps the entire file into memory. A mapped file can be opened in two modes: MAP_PRIVATE: all modifications to the returned buffer will only be visible to the calling process. MAP_SHARED: all modifications are visible to all processes mapping the same file and will be propagated to disk. A common use of these functions is to map special devices like /dev/zero to allocate a block of memory. ND Fri Mar 25 16:38:45 CET 2011