freopen
FILE *freopen(const char * __restrict, const char * __restrict,
if (strcmp(*argv, "-") && freopen(*argv, "r", stdin) == NULL)
freopen(_PATH_DEVNULL, "w", stderr);
fpin = freopen(atinput, "r", stdin);
if (freopen(argv[0], "r", stdin) == NULL) {
if (freopen(argv[0], "r", stdin) == NULL) {
if (!freopen(*argv, "r", stdin)) {
else if (freopen(file, "r", stdin) == NULL) {
if (!(freopen(*_argv, "r", stdin))) {
if (!freopen(tracefile, "r", stdin))
if (freopen(optarg, "r", stdin) == NULL)
if (freopen(name, "w", stdout) == NULL)
if (freopen(argv[0], "r", stdin) == NULL)
freopen(argv[0], "r", stdin) == NULL)
if (fname && !(freopen(fname, "r", stdin)))
if (!freopen(fname, "w", stdout))
if (freopen(filename, "r", stdin) == NULL) {
if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb))
if (freopen(fname, "r", stdin) == NULL)
if (!freopen(*argv, "r", stdin))
if ((freopen(path, "w", stdout)) == NULL)
if (freopen("x.c", "w", stdout) == NULL)
if (!readstd && freopen(argv[0], "r", stdin) == NULL)
if (freopen(PREFIX = *argv, "r", stdin) == NULL)
freopen(acctfile, "a", stdout) != NULL) {
freopen(_PATH_DEVNULL, "w", stderr);
freopen("/dev/null", "w", stdout);
freopen("/dev/null", "w", stderr);