Function gmsh_sys::gmshOptionGetString

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

Get the value of a string option. name is of the form "category.option" or "category[num].option". Available categories and options are listed in the Gmsh reference manual.