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gethopt.h

gethopt.h 918 B
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  1. /*
    2. 

  2.  * gethopt;  options processing with both single-character and whole-work
    3. 

  3.  *           options both introduced with -
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef __GETHOPT_D
    7. 

  7. #define __GETHOPT_D
    8. 

  8. 

  9. #include <stdio.h>
    10. 

  10. #include <string.h>
    11. 

  11. 

  12. 

  13. struct h_opt {
    14. 

  14.     int  option;
    15. 

  15.     char *optword;
    16. 

  16.     char optchar;
    17. 

  17.     char *opthasarg;
    18. 

  18.     char *optdesc;
    19. 

  19. } ;
    20. 

  20. 

  21. #define HOPTERR	((struct h_opt*)-1)
    22. 

  22. 

  23. struct h_context {
    24. 

  24.     char **argv;
    25. 

  25.     int    argc;
    26. 

  26.     int    optchar;
    27. 

  27.     int    optind;
    28. 

  28.     char  *optarg;
    29. 

  29.     char   optopt;
    30. 

  30.     int    opterr:1;
    31. 

  31.     int    optend:1;
    32. 

  32. } ;
    33. 

  33. 

  34. extern char *hoptarg(struct h_context *);
    35. 

  35. extern int   hoptind(struct h_context *);
    36. 

  36. extern char  hoptopt(struct h_context *);
    37. 

  37. extern void  hoptset(struct h_context *, int, char **);
    38. 

  38. extern int   hopterr(struct h_context *, int);
    39. 

  39. extern struct h_opt *gethopt(struct h_context *, struct h_opt*, int);
    40. 

  40. 

  41. extern void hoptusage(char *, struct h_opt*, int, char *);
    42. 

  42. 

  43. #endif/*__GETHOPT_D*/
    44. 

  44.