qsort(3F)

NAME
     qsort - quick sort

SYNOPSIS
     subroutine qsort (array, len, isize, compar)
     external compar
     integer*2 compar

DESCRIPTION
     One dimensional array contains the elements to be sorted.  len is the
     number of elements in the array.  isize is the size of an element. The
     following sizes are normally used:

     4         for integer and real

     8         for double precision or complex

     16        for double complex

     (length of character object)
               for character arrays

     compar is the name of a user supplied integer*2 function that
     determines the sorting order.  This function is called with 2
     arguments that are elements of array. The function returns the
     following:

     negative    if arg1 is considered to precede arg2

     zero        if arg1 is equivalent to arg2

     positive    if arg1 is considered to follow arg2

     On return, the elements of array are sorted.

NOTES
     len and isize must be representable in an integer*4 even though the C
     library function qsort will accept 64-bit values for the arguments in
     64 bit mode.  Therefore, these arguments must be integer*4.

FILES
     /usr/ucb/lib/libU77.a
     /usr/lib/libU77.a

SEE ALSO
     qsort(3)