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  1. .TH mmap_read 3
  2. .SH NAME
  3. mmap_read \- memory map a file for reading
  4. .SH SYNTAX
  5. .B #include <mmap.h>
  6. extern char* \fBmmap_read\fP(const char* \fIfilename\fR,unsigned long* \fIfilesize\fR);
  7. .SH DESCRIPTION
  8. mmap_read opens \fIfilename\fR for reading, maps the whole file into
  9. memory, closes the file, writes the length of the file to \fIfilesize\fR
  10. and returns a pointer to the mapped file.
  11. The file is unmapped by the operating system if the process terminates.
  12. It can also be manually unmapped by calling \fBmunmap\fR from
  13. <sys/mman.h>.
  14. .SH "SEE ALSO"
  15. munmap(2)