Function memmem
pub unsafe extern "C" fn memmem(haystack: *const c_void, haystacklen: size_t, needle: *const c_void, needlelen: size_t) -> *mut c_voidmemmempub unsafe extern "C" fn memmem(haystack: *const c_void, haystacklen: size_t, needle: *const c_void, needlelen: size_t) -> *mut c_void