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--- Libc/Libc-763.11/stdlib/qsort.3
+++ Libc/Libc-498/stdlib/qsort.3
@@ -13,6 +13,10 @@
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the University of
+.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
@@ -30,26 +34,19 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)qsort.3 8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/stdlib/qsort.3,v 1.17 2007/01/09 00:28:10 imp Exp $
+.\" $FreeBSD: src/lib/libc/stdlib/qsort.3,v 1.15 2004/07/02 23:52:12 ru Exp $
.\"
.Dd September 30, 2003
.Dt QSORT 3
.Os
.Sh NAME
.Nm heapsort ,
-#ifdef UNIFDEF_BLOCKS
-.Nm heapsort_b ,
-#endif
.Nm mergesort ,
-#ifdef UNIFDEF_BLOCKS
-.Nm mergesort_b ,
-#endif
.Nm qsort ,
-#ifdef UNIFDEF_BLOCKS
-.Nm qsort_b ,
-#endif
.Nm qsort_r
.Nd sort functions
+.Sh LIBRARY
+.Lb libc
.Sh SYNOPSIS
.In stdlib.h
.Ft int
@@ -59,15 +56,6 @@
.Fa "size_t width"
.Fa "int \*[lp]*compar\*[rp]\*[lp]const void *, const void *\*[rp]"
.Fc
-#ifdef UNIFDEF_BLOCKS
-.Ft int
-.Fo heapsort_b
-.Fa "void *base"
-.Fa "size_t nel"
-.Fa "size_t width"
-.Fa "int \*[lp]^compar\*[rp]\*[lp]const void *, const void *\*[rp]"
-.Fc
-#endif
.Ft int
.Fo mergesort
.Fa "void *base"
@@ -75,15 +63,6 @@
.Fa "size_t width"
.Fa "int \*[lp]*compar\*[rp]\*[lp]const void *, const void *\*[rp]"
.Fc
-#ifdef UNIFDEF_BLOCKS
-.Ft int
-.Fo mergesort_b
-.Fa "void *base"
-.Fa "size_t nel"
-.Fa "size_t width"
-.Fa "int \*[lp]^compar\*[rp]\*[lp]const void *, const void *\*[rp]"
-.Fc
-#endif
.Ft void
.Fo qsort
.Fa "void *base"
@@ -91,15 +70,6 @@
.Fa "size_t width"
.Fa "int \*[lp]*compar\*[rp]\*[lp]const void *, const void *\*[rp]"
.Fc
-#ifdef UNIFDEF_BLOCKS
-.Ft void
-.Fo qsort_b
-.Fa "void *base"
-.Fa "size_t nel"
-.Fa "size_t width"
-.Fa "int \*[lp]^compar\*[rp]\*[lp]const void *, const void *\*[rp]"
-.Fc
-#endif
.Ft void
.Fo qsort_r
.Fa "void *base"
@@ -137,7 +107,7 @@
.Em requires
that
.Fa width
-be greater than or equal to
+be greater than
.Dq "sizeof(void *) / 2" .
.Pp
The contents of the array
@@ -228,92 +198,51 @@
Normally,
.Fn qsort
is faster than
-.Fn mergesort
+.Fn mergesort ,
which is faster than
.Fn heapsort .
Memory availability and pre-existing order in the data can make this
untrue.
-#ifdef UNIFDEF_BLOCKS
-.Pp
-The
-.Fn heapsort_b ,
-.Fn mergesort_b ,
-and
-.Fn qsort_b
-routines are like the corresponding routines without the _b suffix, expect
-that the
-.Fa compar
-callback is a block pointer instead of a function pointer.
-#endif
.Sh RETURN VALUES
The
-#ifdef UNIFDEF_BLOCKS
-.Fn qsort ,
-.Fn qsort_b
-#else
-.Fn qsort
-#endif
+.Fn qsort
and
.Fn qsort_r
functions
return no value.
.Pp
-#ifdef UNIFDEF_BLOCKS
-.ds HEAPSORT_B heapsort_b
-.ds MERGESORT_B mergesort_b
-#endif
-.Rv -std heapsort \*[HEAPSORT_B] mergesort \*[MERGESORT_B]
+.Rv -std heapsort mergesort
+.Sh ERRORS
+The
+.Fn heapsort
+and
+.Fn mergesort
+functions succeed unless:
+.Bl -tag -width Er
+.It Bq Er EINVAL
+The
+.Fa width
+argument is zero, or,
+the
+.Fa width
+argument to
+.Fn mergesort
+is less than
+.Dq "sizeof(void *) / 2" .
+.It Bq Er ENOMEM
+The
+.Fn heapsort
+or
+.Fn mergesort
+functions
+were unable to allocate memory.
+.El
.Sh COMPATIBILITY
Previous versions of
.Fn qsort
did not permit the comparison routine itself to call
.Fn qsort 3 .
This is no longer true.
-.Sh ERRORS
-The
-#ifdef UNIFDEF_BLOCKS
-.Fn heapsort ,
-.Fn heapsort_b ,
-.Fn mergesort ,
-and
-.Fn mergesort_b
-#else
-.Fn heapsort
-and
-.Fn mergesort
-#endif
-functions succeed unless:
-.Bl -tag -width Er
-.It Bq Er EINVAL
-The
-.Fa width
-argument is zero, or,
-the
-.Fa width
-argument to
-.Fn mergesort
-#ifdef UNIFDEF_BLOCKS
-or
-.Fn mergesort_b
-#endif
-is less than
-.Dq "sizeof(void *) / 2" .
-.It Bq Er ENOMEM
-The
-#ifdef UNIFDEF_BLOCKS
-.Fn heapsort ,
-.Fn heapsort_b ,
-.Fn mergesort ,
-or
-.Fn mergesort_b
-#else
-.Fn heapsort
-or
-.Fn mergesort
-#endif
-functions
-were unable to allocate memory.
-.El
.Sh SEE ALSO
.Xr sort 1 ,
.Xr radixsort 3