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alloca.3 (79531) alloca.3 (79754)
1.\" Copyright (c) 1980, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

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25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)alloca.3 8.1 (Berkeley) 6/4/93
1.\" Copyright (c) 1980, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

--- 16 unchanged lines hidden (view full) ---

25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)alloca.3 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/stdlib/alloca.3 79531 2001-07-10 13:41:46Z ru $
33.\" $FreeBSD: head/lib/libc/stdlib/alloca.3 79754 2001-07-15 07:53:42Z dd $
34.\"
35.Dd June 4, 1993
36.Dt ALLOCA 3
37.Os
38.Sh NAME
39.Nm alloca
40.Nd memory allocator
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.Fd #include <stdlib.h>
45.Ft void *
46.Fn alloca "size_t size"
47.Sh DESCRIPTION
48The
49.Fn alloca
50function
34.\"
35.Dd June 4, 1993
36.Dt ALLOCA 3
37.Os
38.Sh NAME
39.Nm alloca
40.Nd memory allocator
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.Fd #include <stdlib.h>
45.Ft void *
46.Fn alloca "size_t size"
47.Sh DESCRIPTION
48The
49.Fn alloca
50function
51allocates
51allocates
52.Fa size
53bytes of space in the stack frame of the caller.
54This temporary space is automatically freed on
55return.
56.Sh RETURN VALUES
57The
58.Fn alloca
59function returns a pointer to the beginning of the allocated space.

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71.Fn alloca
72function
73is machine dependent; its use is discouraged.
74.\" .Sh HISTORY
75.\" The
76.\" .Fn alloca
77.\" function appeared in
78.\" .Bx ?? .
52.Fa size
53bytes of space in the stack frame of the caller.
54This temporary space is automatically freed on
55return.
56.Sh RETURN VALUES
57The
58.Fn alloca
59function returns a pointer to the beginning of the allocated space.

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71.Fn alloca
72function
73is machine dependent; its use is discouraged.
74.\" .Sh HISTORY
75.\" The
76.\" .Fn alloca
77.\" function appeared in
78.\" .Bx ?? .
79.\" The function appeared in 32v, pwb and pwb.2 and in 3bsd 4bsd
79.\" The function appeared in 32v, pwb and pwb.2 and in 3bsd 4bsd
80.\" The first man page (or link to a man page that I can find at the
81.\" moment is 4.3...
80.\" The first man page (or link to a man page that I can find at the
81.\" moment is 4.3...