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Text File  |  1993-08-08  |  3KB  |  124 lines
  1. * Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
  2. * The C++ Answer Book */
  3. * Tony Hansen */
  4. * All rights reserved. */
  5. include "nstdio.h"
  6. include <stdlib.h>
  7. nline unsigned long strtoul(const char *nptr, char **endptr, int base)
  8.  
  9.    return (unsigned long) strtol(nptr, endptr, base);
  10.  
  11. include "FILE.c"
  12. include "FILE2.c"
  13. include "FILE3.c"
  14. include "clearerr.c"
  15. include "doprint.c"
  16. include "doscan.c"
  17. include "fclose.c"
  18. include "feof.c"
  19. include "ferror.c"
  20. include "fflush.c"
  21. include "fgetc.c"
  22. include "fgets.c"
  23. include "fopen.c"
  24. include "fprintf.c"
  25. include "fputc.c"
  26. include "fputs.c"
  27. include "fread.c"
  28. include "freopen.c"
  29. include "fscanf.c"
  30. include "fwrite.c"
  31. include "getc.c"
  32. include "getchar.c"
  33. include "gets.c"
  34. include "printf.c"
  35. include "putc.c"
  36. include "putchar.c"
  37. include "puts.c"
  38. include "scanf.c"
  39. include "scanset1.c"
  40. include "setbuf.c"
  41. include "sprintf.c"
  42. include "sscanf.c"
  43. include "stdin.c"
  44. include "ungetc.c"
  45. include "vfprintf.c"
  46. include "vfscanf.c"
  47. include "vprintf.c"
  48. include "vscanf.c"
  49. include "vsprintf.c"
  50. include "vsscanf.c"
  51. include "~FILE.c"
  52.  
  53. ain()
  54.  
  55.    FILE *tp = fopen("/etc/termcap", "r");
  56.    if (!tp)
  57. {
  58. (void) fprintf (stderr, "cannot open /etc/termcap\n");
  59. exit(1);
  60. }
  61.    else
  62. (void) fprintf (stderr, "openned /etc/termcap\n");
  63.  
  64.    FILE *op = fopen("/tmp/foo.out", "w");
  65.    if (!op)
  66. {
  67. (void) fprintf (stderr, "cannot open /tmp/foo.out\n");
  68. exit(1);
  69. }
  70.    else
  71. (void) fprintf (stderr, "openned /tmp/foo.out\n");
  72.  
  73.    int c;
  74.    while ((c = getc(tp)) != EOF)
  75. putc(c, op);
  76.  
  77.    printf("feof(tp)==%d\n", feof(tp));
  78.    printf("ferror(tp)==%d\n", ferror(tp));
  79.    printf("feof(op)==%d\n", feof(op));
  80.    printf("ferror(op)==%d\n", ferror(op));
  81.  
  82.    fclose(op);
  83.    fclose(tp);
  84.    (void) fprintf (stderr, "all done\n");
  85.  
  86.    tp = fopen("/etc/termcap", "r");
  87.    if (!tp)
  88. {
  89. (void) fprintf (stderr, "cannot open /etc/termcap\n");
  90. exit(1);
  91. }
  92.    else
  93. (void) fprintf (stderr, "openned /etc/termcap\n");
  94.  
  95.    op = fopen("/tmp/foo2.out", "w");
  96.    if (!op)
  97. {
  98. (void) fprintf (stderr, "cannot open /tmp/foo2.out\n");
  99. exit(1);
  100. }
  101.    else
  102. (void) fprintf (stderr, "openned /tmp/foo2.out\n");
  103.  
  104.    char buf[BUFSIZ];
  105.    while (fgets(buf, sizeof buf, tp))
  106. fputs(buf, op);
  107.  
  108.    printf("feof(tp)==%d\n", feof(tp));
  109.    printf("ferror(tp)==%d\n", ferror(tp));
  110.    printf("feof(op)==%d\n", feof(op));
  111.    printf("ferror(op)==%d\n", ferror(op));
  112.  
  113.    fclose(op);
  114.    fclose(tp);
  115.    (void) fprintf (stderr, "all done\n");
  116.  
  117.    int x;
  118.    int ret = scanf("%d", &x);
  119.    (void) printf("scanf returns %d, x = %d\n", ret, x);
  120.    ret = scanf(" %5[a-d]xyz %d", buf, &x);
  121.    (void) printf("scanf returns %d, buf = '%s', x = %d\n", ret, buf, x);
  122.    return 0;
  123.  
  124.