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

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

NNAAMMEE
     aallllooccaa - memory allocator

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<ssttddlliibb..hh>>

     _v_o_i_d _*
     aallllooccaa(_s_i_z_e___t _s_i_z_e);

DDEESSCCRRIIPPTTIIOONN
     The aallllooccaa() function allocates _s_i_z_e bytes of space in the stack frame of
     the caller.  This temporary space is automatically freed on return.

RREETTUURRNN VVAALLUUEESS
     The aallllooccaa() function returns a pointer to the beginning of the allocated
     space.  If the allocation failed, a NULL pointer is returned.

SSEEEE AALLSSOO
     brk(2),  pagesize(2) calloc(3),  malloc(3),  realloc(3),

BBUUGGSS
     The aallllooccaa() function is machine dependent; its use is discouraged.

4th Berkeley Distribution        June 4, 1993                                1