... Abstract Open an existing E-kernel file for reading. Required_Reading EK . ... Detailed_Input fname is the name of an existing E-kernel file to be opened for read access. ... This handle is used to identify the file to other EK routines. ... Opening an EK file with this routine makes the EK accessible to the CSPICE EK readers ekrcec_c ekrced_c ekrcei_c all of which expect an EK file handle as an input argument. ... Examples 1) Open the file my.ek for read access: ekopr_c ( "my.ek", &handle ); . ...