I have installed the Redhat RHEL3 version with Oracle 9.2.0.4. When I run gcc with my program I have some errors like : /st/ora920/OraHome/lib/libclntsh.so: undefined reference to `__ctype_b' /st/ora920/OraHome/lib/libclntsh.so: undefined reference to `__ctype_toupper' /st/ora920/OraHome/lib/libclntsh.so: undefined reference to `__ctype_tolower' With the environment : [dbt2@stlinux6 dbtoci]$ gcc -v Reading specs from /usr/lib/gcc-lib/i386-redhat-linux7/2.96/specs gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-122) [dbt2@stlinux6 dbtoci]$ ls -l /lib/libc* -rwxr-xr-x 1 root root 1564956 Oct 3 02:51 /lib/libc-2.3.2.so Please could you help me ? Thanks -- o~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~o | mailto:valerie.keribin@xxxxxxxx Tel : 7012 | | Bureau: B1-387 | | BULL S.A. Phone : 04.76.29.70.12 (229 7012)| | 1 Rue de Provence BP208 38432 Echirolles France | o~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~o