Function gmsh_sys::gmshOnelabSetString

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

Set the value of the string parameter name in the ONELAB database. Create the parameter if it does not exist; update the value if the parameter exists.