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Command: qsort | Section: 3 | Source: UNIX v10 | File: qsort.3
QSORT(3) Library Functions Manual QSORT(3)
NAME
qsort - quicker sort
SYNOPSIS
qsort(base, nel, width, compar)
char *base;
int (*compar)();
DESCRIPTION
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. It should be declared as
compar(a, b)
char *a, *b;
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.
SEE ALSO
sort(1)
QSORT(3)