valloc man page on OpenBSD

valloc man page on OpenBSD

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VALLOC(3)		  OpenBSD Programmer's Manual		     VALLOC(3)

NAME
     valloc - aligned memory allocation function

SYNOPSIS
     #include <unistd.h>

     void *
     valloc(size_t size);

DESCRIPTION
     The valloc() function is obsoleted by the current version of malloc(3),
     which aligns page-sized and larger allocations, and posix_memalign(3),
     which allocates memory with a given alignment.

     The valloc() function allocates size bytes aligned on a page boundary.
     It is implemented by calling malloc(3) with a slightly larger request,
     saving the true beginning of the block allocated, and returning a
     properly aligned pointer.

RETURN VALUES
     The valloc() function returns a pointer to the allocated space if
     successful; otherwise a null pointer is returned.

SEE ALSO
     malloc(3)

HISTORY
     The valloc() function appeared in 3.0BSD.

BUGS
     A vfree() function has not been implemented.

OpenBSD 4.9			 May 18, 2010			   OpenBSD 4.9

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