define new library function getgrouplist

[unix-history] / usr / src / lib / libc / gen / valloc.3

diff --git a/usr/src/lib/libc/gen/valloc.3 b/usr/src/lib/libc/gen/valloc.3
index 9f60e8a..cab2d2e 100644 (file)
--- a/usr/src/lib/libc/gen/valloc.3
+++ b/usr/src/lib/libc/gen/valloc.3
@@ -1,32 +1,49 @@
-.\" Copyright (c) 1980 Regents of the University of California.
-.\" All rights reserved.  The Berkeley software License Agreement
-.\" specifies the terms and conditions for redistribution.
+.\" Copyright (c) 1980, 1991 Regents of the University of California.
+.\" All rights reserved.

 .\"
 .\"

-.\"    @(#)valloc.3    6.1 (Berkeley) %G%
+.\" %sccs.include.redist.man%

 .\"
 .\"

-.TH VALLOC 3 ""
-.UC 3
-.SH NAME
-valloc \- aligned memory allocator
-.SH SYNOPSIS
-.nf
-.B char *valloc(size)
-.B unsigned size;
-.fi
-.SH DESCRIPTION
-.I Valloc
+.\"     @(#)valloc.3   6.3 (Berkeley) %G%
+.\"
+.Dd 
+.Dt VALLOC 3
+.Os BSD 3
+.Sh NAME
+.Nm valloc
+.Nd aligned memory allocation function
+.Sh SYNOPSIS
+.Fd #include <unistd.h>
+.Ft char *
+.Fn valloc "unsigned size"
+.Sh DESCRIPTION
+.Bf -symbolic
+Valloc is obsoleted by the current version of malloc(3),
+which aligns page-sized and larger allocations.
+.Ef
+.Pp
+The
+.Fn valloc
+function

 allocates
 allocates

-.I size
+.Fa size

 bytes aligned on a page boundary.
 It is implemented by calling
 bytes aligned on a page boundary.
 It is implemented by calling

-.IR malloc (3)
+.Xr malloc 3

 with a slightly larger request, saving the true beginning of the block
 allocated, and returning a properly aligned pointer.
 with a slightly larger request, saving the true beginning of the block
 allocated, and returning a properly aligned pointer.

-.SH DIAGNOSTICS
-.I Valloc
-returns a null pointer (0) if there is no available memory
-or if the arena has been detectably corrupted by storing outside the bounds
-of a block.
-.SH BUGS
-.I Vfree
-isn't implemented.
+.Sh RETURN VALUES
+The
+.Fn valloc
+function returns
+a pointer to the allocated space if successful; otherwise
+a null pointer is returned
+.Sh HISTORY
+The
+.Fn valloc
+function appeared in 
+.Bx 3.0 .
+.Sh BUGS
+A
+.Em vfree
+function
+has not been implemented.