1 /* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
21 #include </usr/include/stdio.h>
30 DEFUN(main, (argc, argv), int argc AND char **argv)
33 FILE *in = stdin, *out = stdout;
35 if (argc == 2 && !strcmp (argv[1], "-opipe"))
37 out = popen ("/bin/cat", "w");
40 perror ("popen: /bin/cat");
44 else if (argc == 3 && !strcmp (argv[1], "-ipipe"))
46 sprintf (buf, "/bin/cat %s", argv[2]);
47 in = popen (buf, "r");
53 "sscanf (\"thompson\", \"%%s\", name) == %d, name == \"%s\"\n",
54 sscanf ("thompson", "%s", name),
58 fputs ("Testing scanf (vfscanf)\n", out);
60 fputs ("Test 1:\n", out);
65 n = fscanf (in, "%d%f%s", &i, &x, name);
66 fprintf (out, "n = %d, i = %d, x = %f, name = \"%.50s\"\n",
69 fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
70 fputs ("Test 2:\n", out);
75 (void) fscanf (in, "%2d%f%*d %[0123456789]", &i, &x, name);
76 fprintf (out, "i = %d, x = %f, name = \"%.50s\"\n", i, x, name);
78 fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));
79 fputs ("Test 3:\n", out);
82 char units[21], item[21];
83 while (!feof (in) && !ferror (in))
87 units[0] = item[0] = '\0';
88 count = fscanf (in, "%f%20s of %20s", &quant, units, item);
89 (void) fscanf (in, "%*[^\n]");
90 fprintf (out, "count = %d, quant = %f, item = %.21s, units = %.21s\n",
91 count, quant, item, units);
94 fprintf (out, "Residual: \"%s\"\n", fgets (buf, sizeof (buf), in));