NAME    [Toc]    [Back]

     alloca - memory allocator

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <stdlib.h>

     void *
     alloca(size_t size);

DESCRIPTION    [Toc]    [Back]

     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    [Toc]    [Back]

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

SEE ALSO    [Toc]    [Back]

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

BUGS    [Toc]    [Back]

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

BSD                              June 4, 1993                              BSD