求救！AIX5.1 下ORACLE8.1.7 PRO*C编译出错！

du2168

System default option values taken from: /oracle/app/product/8.1.7/precomp/admin
/pcscfg.cfg

Syntax error at line 290, column 12, file /usr/include/sys/rset.h:
Error at line 290, column 12 in file /usr/include/sys/rset.h
off64_t su_offset; /* Offset of the subrange (bytes) */
...........1
PCC-S-02201, Encountered the symbol "off64_t" when expecting one of the followin
g:

char, const, double, enum, float, int, long, ulong_varchar,
OCIBFileLocator OCIBlobLocator, OCIClobLocator, OCIDateTime,
OCIExtProcContext, OCIInterval, OCIRowid, OCIDate, OCINumber,
OCIRaw, OCIString, short, signed, sql_context, sql_cursor,
struct, union, unsigned, utext, uvarchar, varchar, void,
volatile, a typedef name,
The symbol "enum," was substituted for "off64_t" to continue.
大虾救命！！！！
跪谢！