Function SCIPgetNLPCols 

pub unsafe extern "C" fn SCIPgetNLPCols(scip: *mut SCIP) -> c_int

gets current number of LP columns

@return the current number of LP columns.

@pre This method can be called if @p scip is in one of the following stages: - \ref SCIP_STAGE_SOLVING

See \ref SCIP_Stage “SCIP_STAGE” for a complete list of all possible solving stages.