Function SCIPvarsCountTypes 

pub unsafe extern "C" fn SCIPvarsCountTypes(
    vars: *mut *mut SCIP_VAR,
    nvars: c_int,
    nbinvars: *mut c_int,
    nintvars: *mut c_int,
    nbinimplvars: *mut c_int,
    nintimplvars: *mut c_int,
    ncontimplvars: *mut c_int,
    ncontvars: *mut c_int,
)

for a given array of variables, this function counts the numbers of variables for each variable and implied type combination