QSORT(3) 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 com-
parison 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 con-
sidered less than, equal to, or greater than the second.
SEE ALSO
sort(1)