munmap man page on OpenDarwin

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MUNMAP(2)		    BSD System Calls Manual		     MUNMAP(2)

NAME
     munmap — remove a mapping

SYNOPSIS
     #include <sys/types.h>
     #include <sys/mman.h>

     int
     munmap(caddr_t addr, size_t len);

DESCRIPTION
     The munmap() system call deletes the mappings for the specified address
     range, and causes further references to addresses within the range to
     generate invalid memory references.

RETURN VALUES
     Upon successful completion, munmap returns zero.  Otherwise, a value of
     -1 is returned and errno is set to indicate the error.

ERRORS
     Munmap() will fail if:

     [EINVAL]		The addr parameter was not page aligned, the len
			parameter was negative, or some part of the region
			being unmapped is not part of the currently valid
			address space.

SEE ALSO
     getpagesize(3), msync(2), munmap(2), mprotect(2), madvise(2), mincore(2)

HISTORY
     The munmap() function first appeared in 4.4BSD.

BSD				April 15, 1994				   BSD
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