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QSORT(3F) 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, typ- ically - 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 will de- termine the sorting order. This function will be called with 2 argu- ments that will be elements of array. The function must return - negative if arg 1 is considered to precede arg 2 zero if arg 1 is equivalent to arg 2 positive if arg 1 is considered to follow arg 2 On return, the elements of array will be sorted. FILES /usr/lib/libU77.a SEE ALSO qsort(3) 4.2 Berkeley Distribution April 30, 1991 QSORT(3F)