Function gmsh_sys::gmshOnelabGetString

pub unsafe extern "C" fn gmshOnelabGetString(
    name: *const c_char, 
    value: *mut *mut *mut c_char, 
    value_n: *mut usize, 
    ierr: *mut c_int
)

Get the value of the string parameter name from the ONELAB database. Return an empty vector if the parameter does not exist.