pipefd = create_writing_pipe(&child_pid, args[0], args);
if (pipefd < 0) {
err("failed to create a writing pipe (returned %d)\n", pipefd);
return pipefd;
}
pipefd = create_writing_pipe(&child_pid, args[0], args);
if (pipefd < 0) {
err("failed to create a writing pipe (returned %d)\n", pipefd);
return pipefd;
}