4.4BSD/usr/share/man/cat3/valloc.0

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

NNAAMMEE
     vvaalllloocc - aligned memory allocation function

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<uunniissttdd..hh>>

     _c_h_a_r _*
     vvaalllloocc(_u_n_s_i_g_n_e_d _s_i_z_e);

DDEESSCCRRIIPPTTIIOONN
     VVaalllloocc iiss oobbssoolleetteedd bbyy tthhee ccuurrrreenntt vveerrssiioonn ooff mmaalllloocc((33)),, wwhhiicchh aalliiggnnss
     ppaaggee--ssiizzeedd aanndd llaarrggeerr aallllooccaattiioonnss..

     The vvaalllloocc() function allocates _s_i_z_e 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 proper-
     ly aligned pointer.

RREETTUURRNN VVAALLUUEESS
     The vvaalllloocc() function returns a pointer to the allocated space if suc-
     cessful; otherwise a null pointer is returned

HHIISSTTOORRYY
     The vvaalllloocc() function appeared in 3.0BSD.

BBUUGGSS
     A _v_f_r_e_e function has not been implemented.

3rd Berkeley Distribution        June 4, 1993                                1