php_oci_lob_callback 355 ext/oci8/oci8_lob.c (OCICallbackLobRead2) php_oci_lob_callback, /* callback... */ php_oci_lob_callback 442 ext/oci8/php_oci8_int.h sb4 php_oci_lob_callback(dvoid *ctxp, CONST dvoid *bufxp, oraub8 len, ub1 piece, dvoid **changed_bufpp, oraub8 *changed_lenp);