xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
cstdfloat_cmath.hpp	4d99525703 first commit	6 月之前
cstdfloat_complex.hpp	4d99525703 first commit	6 月之前
cstdfloat_complex_std.hpp	4d99525703 first commit	6 月之前
cstdfloat_iostream.hpp	4d99525703 first commit	6 月之前
cstdfloat_limits.hpp	4d99525703 first commit	6 月之前
cstdfloat_types.hpp	4d99525703 first commit	6 月之前