.TH SYS-UTFBYTES 2.SH NAMEutfbytes \- compute UTF length of complete Unicode characters in a UTF byte sequence.SH SYNOPSIS.EXinclude "sys.m";sys := load Sys Sys->PATH; utfbytes: fn(buf: array of byte, n: int): int;.EE.SH DESCRIPTION.B Utfbytesexamines the .IR n -byteUTF sequence in.IR bufand returns the number of bytes representing complete Unicode characters.The value will be less than.I nwhen the region inspected ends with an incomplete UTF sequence..SH DIAGNOSTICA bounds check error results if.I nexceeds the length of the array..SH SEE ALSO.IR sys-intro (2),.IR sys-byte2char (2),.IR utf (6)