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.TH QSORT 2
.SH NAME
qsort \- quicker sort
.SH SYNOPSIS
.B #include <u.h>
.br
.B #include <libc.h>
.PP
.B
.nf
void qsort(void *base, long nel, long width,
.B
	    int (*compar)(void*, void*))
.fi
.SH DESCRIPTION
.I Qsort
(quicker sort)
sorts an array into nondecreasing order.
The first argument is a pointer to the base of the data;
the second is the number of elements;
the third is the width of an element
in bytes;
the last is the name of a comparison routine
to be called with pointers
to elements being compared.
The routine must return
an integer less than, equal to, or greater than 0
according as the first argument is to be considered
less than, equal to, or greater than the second.
.SH SOURCE
.B /sys/src/libc/port/qsort.c
.SH "SEE ALSO"
.IR sort (1)

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