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ALLOCA(3)                BSD Library Functions Manual                ALLOCA(3)

NAME
     alloca -- memory allocator

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <alloca.h>
     or
     #include <stdlib.h>

     void *
     alloca(size_t size);

DESCRIPTION
     The alloca() function allocates size bytes of space in the stack frame of the caller.  This temporary
     space is automatically freed on return.

RETURN VALUES
     The alloca() function returns a pointer to the beginning of the allocated space.  If the allocation
     failed, a NULL pointer is returned.

SEE ALSO
     brk(2), calloc(3), getpagesize(3), malloc(3), realloc(3)

HISTORY
     The alloca() function appeared in Version 32V AT&T UNIX.

BUGS
     The alloca() function is machine and compiler dependent; its use is discouraged.

BSD                              June 4, 1993                              BSD