fn strcpy(noalias dst: [*]c_char, noalias src: [*:0]const c_char) callconv(.c) [*]c_char
fn strcpy(noalias dst: [*]c_char, noalias src: [*:0]const c_char) callconv(.c) [*]c_char { _ = stpcpy(dst, src); return dst; }