178         t = replace_env("FOO=$FOO=${FOO}", (char**) env, flags);  in test_replace_env1()
181         s = replace_env("BAR=$BAR=${BAR}", (char**) env, flags);  in test_replace_env1()
184         q = replace_env("BARBAR=$BARBAR=${BARBAR}", (char**) env, flags);  in test_replace_env1()
187         r = replace_env("BAR=$BAR$BAR${BAR}${BAR}", (char**) env, flags);  in test_replace_env1()
190         p = replace_env("${BAR}$BAR$BAR", (char**) env, flags);  in test_replace_env1()
205         t = replace_env("FOO=${FOO:-${BAR}}", (char**) env, flags);  in test_replace_env2()
208         s = replace_env("BAR=${XXX:-${BAR}}", (char**) env, flags);  in test_replace_env2()
211         q = replace_env("XXX=${XXX:+${BAR}}", (char**) env, flags);  in test_replace_env2()
214         r = replace_env("FOO=${FOO:+${BAR}}", (char**) env, flags);  in test_replace_env2()
217         p = replace_env("FOO=${FOO:-${BAR}post}", (char**) env, flags);  in test_replace_env2()
220         x = replace_env("XXX=${XXX:+${BAR}post}", (char**) env, flags);  in test_replace_env2()
223         y = replace_env("FOO=${FOO}between${BAR:-baz}", (char**) env, flags);  in test_replace_env2()
227 TEST(replace_env) {  in TEST()  argument