Function HttpOpenRequestA
pub unsafe fn HttpOpenRequestA<P1, P2, P3, P4>(
hconnect: *const c_void,
lpszverb: P1,
lpszobjectname: P2,
lpszversion: P3,
lpszreferrer: P4,
lplpszaccepttypes: Option<*const PCSTR>,
dwflags: u32,
dwcontext: Option<usize>,
) -> *mut c_voidwhere
P1: Param<PCSTR>,
P2: Param<PCSTR>,
P3: Param<PCSTR>,
P4: Param<PCSTR>,