/*****************************************
 *
 *	s u b s t r
 *
 *****************************************
 *
 * Functional description:
 *	substr(s,m,n) returns the substring 
 *	of s which starts at position m and
 *	ending at position n.
 *	Note: This function is NOT limited to
 *	receiving and returning only 80 characters,
 *	rather, it can use as long as 32767 
 * 	characters which is the limit on an 
 *	INTERBASE character string.
 *
 *****************************************/ 
DECLARE EXTERNAL FUNCTION substr 
	CSTRING( 255 ), SMALLINT, SMALLINT
	RETURNS CSTRING( 255 ) FREE_IT
	ENTRY_POINT 'IB_UDF_substr' MODULE_NAME 'ib_udf'^