Access to the API using C in the OS/400 environment is provided by the libascauth *SRVPGM in the ASAM library. The C header file is located in /usr/local/ASAM/bin.
The caller must have read privileges to the /usr/local/ASAM/data/PlatformServices/certs directory.
For additional information about the OS/400 platform, see the Identity Manager Fan-Out Driver for Midrange Administration Guide.