// SPDX-FileCopyrightText: 2021 ret2libc // SPDX-License-Identifier: LGPL-3.0-only #include #include int main(int argc, char **argv) { char *you = "World"; char *e = getenv("YOUVAR"); if (e) { you = e; } if (argc > 1) { you = argv[1]; } printf("Hello %s\n", you); fprintf(stderr, "This is on err\n"); return 0; }