v7 man page for qsort

QSORT(3)						     Library Functions Manual							  QSORT(3)

NAME
       qsort - quicker sort

SYNOPSIS
       qsort(base, nel, width, compar)
       char *base;
       int (*compar)( );

DESCRIPTION
       Qsort  is an implementation of the quicker-sort algorithm.  The first argument is a pointer to the base of the data; the second is the num-
       ber of elements; the third is the width of an element in bytes; the last is the name of the comparison routine to be called with two  argu-
       ments which are pointers to the elements being compared.  The routine must return an integer less than, equal to, or greater than 0 accord-
       ing as the first argument is to be considered less than, equal to, or greater than the second.

SEE ALSO
       sort(1)

																	  QSORT(3)