Looks up the ISO 15924 code for
script. ISO 15924 assigns four-letter
codes to scripts. For example, the code for Arabic is ‘Arab’. The
four letter codes are encoded as a
guint32 by this function in a
big-endian fashion. That is, the code returned for Arabic is
0x41726162 (0x41 is ASCII code for ‘A’, 0x72 is ASCII code for ‘r’, etc).
See Codes for the representation of names of scripts for details.
a Unicode script
the ISO 15924 code for
script, encoded as an integer,
of zero if
ISO 15924 code ‘Zzzz’ (script code for UNKNOWN) if
script is not understood.