SQLGetDescField

ibm_db

Function SQLGetDescField 

Source 
pub unsafe extern "C" fn SQLGetDescField(
    DescriptorHandle: SQLHDESC,
    RecNumber: SQLSMALLINT,
    FieldIdentifier: SQLSMALLINT,
    Value: SQLPOINTER,
    BufferLength: SQLINTEGER,
    StringLength: *mut SQLINTEGER,
) -> SQLRETURN