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EZ_SSheetSortRegion(3)		EZWGL Functions		EZ_SSheetSortRegion(3)

NAME
       EZ_SSheetSortRegion - sort the specified	spread sheet region

SYNOPSIS
       #include	<EZ.h>

       void EZ_SSheetSortRegion( EZ_Widget *ssheet, int	r1, int	c1, int	r2, int	c2
		   int col, int	(*cmp)(CONSTvoid*,CONSTvoid*))

       void EZ_SSheetSortRegionR( EZ_Widget *ssheet, int r1, int c1, int r2, int c2
		   int row, int	(*cmp)(CONSTvoid*,CONSTvoid*))

       void EZ_SSheetSortColumns( EZ_Widget *ssheet, int r1, int c1, int r2, int c2
		    int	(*cmp)(CONSTvoid*,CONSTvoid*))

       void EZ_SSheetSortRows( EZ_Widget *ssheet, int r1, int c1, int r2, int c2
		    int	(*cmp)(CONSTvoid*,CONSTvoid*))

ARGUMENTS
       ssheet  Specifies a spread sheet	widget.

       r1,c1,r2,c2  Specify the	upper left and lower right corner of a rectan-
       gular region.

       col Specifies a key column.

       row Specifies a key row.

       cmp  Specify a comparision function.

DESCRIPTION
       EZ_SSheetSortRegion uses	qsort to sort the specified region  using  the
       cells  in  the key column.  cmp is used to compare two strings. See the
       manual page of qsort for	details. If cmp	is NULL,  this	function  will
       use an internal comparision function to sort the	contents of the	region
       in lexical order. The internal comparision is listed below.

       EZ_SSheetSortRegionR sort the specified region using the	cells  in  the
       key row.

       EZ_SSheetSortColumns sort each column individually in the specified re-
       gion.

       EZ_SSheetSortColumns sort each row individually in  the	specified  re-
       gion.

       The internal comparision	function.
       int EZ_CompareStr(CONST void *vaptr, CONST void *vbptr)
       {
	 char **aptr = (char **)vaptr;
	 char **bptr = (char **)vbptr;
	 char *a = *aptr, *b = *bptr;
	 if(a == NULL) return(1);
	 else if( b == NULL) return(-1);
	 while(*a && *b	&& *a == *b) {a++; b++;}
	 if(*a == 0) return(-1);
	 else if(*b == 0) return(1);
	 return( (*a > *b)? 1: -1);
       }

SEE ALSO
       EZ_SSheetFindCell(3),  EZ_SSheetSetTabChar(3)

EZWGL							EZ_SSheetSortRegion(3)

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | SEE ALSO

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