SYS-UTFBYTES(2)
NAME
utfbytes − compute UTF length of complete Unicode characters in a UTF byte sequence
SYNOPSIS
include "sys.m"; sys := load Sys Sys->PATH;
utfbytes: fn(buf: array of byte, n: int): int;
DESCRIPTION
Utfbytes examines the n-byte UTF sequence in buf and returns the number of bytes representing complete Unicode characters. The value will be less than n when the region inspected ends with an incomplete UTF sequence.
DIAGNOSTIC
A bounds check error results if n exceeds the length of the array.