Function nanovg_sys::nvgTextGlyphPositions

pub unsafe extern "C" fn nvgTextGlyphPositions(
    ctx: *mut NVGcontext, 
    x: c_float, 
    y: c_float, 
    string: *const c_char, 
    end: *const c_char, 
    positions: *mut NVGglyphPosition, 
    maxPositions: c_int
) -> c_int