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#ifndef MMAP_H
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#define MMAP_H
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/* open file for reading, mmap whole file, close file, write length of
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* map in filesize and return pointer to map. */
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char* mmap_read(const char *filename,unsigned long* filesize);
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/* open file for writing, mmap whole file privately (copy on write),
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* close file, write length of map in filesize and return pointer to
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* map. */
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char* mmap_private(const char *filename,unsigned long* filesize);
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/* open file for writing, mmap whole file shared, close file, write
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* length of map in filesize and return pointer to map. */
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char* mmap_shared(const char *filename,unsigned long* filesize);
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/* unmap a mapped region */
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int mmap_unmap(char* mapped,unsigned long maplen);
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#endif
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