xref: /freebsd/lib/libc/gen/valloc.3 (revision dc36d6f9bb1753f3808552f3afd30eda9a7b206a)
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28.Dd October 30, 2007
29.Dt VALLOC 3
30.Os
31.Sh NAME
32.Nm valloc
33.Nd aligned memory allocation function
34.Sh LIBRARY
35.Lb libc
36.Sh SYNOPSIS
37.In unistd.h
38.Ft void *
39.Fn valloc "size_t size"
40.Sh DESCRIPTION
41The
42.Fn valloc
43function is obsoleted by
44.Xr posix_memalign 3 ,
45which can be used to request page-aligned allocations.
46.Pp
47The
48.Fn valloc
49function
50allocates
51.Fa size
52bytes aligned on a page boundary.
53.Sh RETURN VALUES
54The
55.Fn valloc
56function returns
57a pointer to the allocated space if successful; otherwise
58a null pointer is returned.
59.Sh SEE ALSO
60.Xr posix_memalign 3
61.Sh HISTORY
62The
63.Fn valloc
64function appeared in
65.Bx 3.0 .
66.Pp
67The
68.Fn valloc
69function correctly allocated memory that could be deallocated via
70.Fn free
71starting in
72.Fx 7.0 .
73