HuntnGather – Diff between revs 1 and 28

Subversion Repositories:
Rev:
Only display areas with differences – Ignore whitespace
Rev 1 Rev 28
1 /************************************************************************* 1 /*************************************************************************
2 * getopt.h: Header file for using getopt(). 2 * getopt.h: Header file for using getopt().
3 * Author: Daniel J. Barrett, barrett@cs.umass.edu 3 * Author: Daniel J. Barrett, barrett@cs.umass.edu
4 * Status: Public domain. 4 * Status: Public domain.
5 *************************************************************************/ 5 *************************************************************************/
6   6  
7   7  
8 #ifndef _GETOPT_H /* Insure we #include me only once. */ 8 #ifndef _GETOPT_H /* Insure we #include me only once. */
9 #define _GETOPT_H 1 9 #define _GETOPT_H 1
10   10  
11   11  
12 /************************************************************************* 12 /*************************************************************************
13 * optarg 13 * optarg
14 * This variable is READ-ONLY! Do not set its value yourself! 14 * This variable is READ-ONLY! Do not set its value yourself!
15 * 15 *
16 * If an option must be followed by a string, then optarg is a pointer 16 * If an option must be followed by a string, then optarg is a pointer
17 * to that string. 17 * to that string.
18 * 18 *
19 * If an option should NOT be followed by an string, then optarg is 19 * If an option should NOT be followed by an string, then optarg is
20 * NOT DEFINED. It is an error to reference optarg if no argument is 20 * NOT DEFINED. It is an error to reference optarg if no argument is
21 * expected. 21 * expected.
22 *************************************************************************/ 22 *************************************************************************/
23   23  
24 extern char *optarg; 24 extern char *optarg;
25   25  
26 /************************************************************************* 26 /*************************************************************************
27 * optind 27 * optind
28 * This variable is READ-ONLY! Do not set its value yourself! 28 * This variable is READ-ONLY! Do not set its value yourself!
29 * 29 *
30 * After getopt() returns EOF, this variable contains the index of the 30 * After getopt() returns EOF, this variable contains the index of the
31 * next unprocessed command-line argument. 31 * next unprocessed command-line argument.
32 * 32 *
33 * That is, argv[optind] is the first argument AFTER the options. 33 * That is, argv[optind] is the first argument AFTER the options.
34 * 34 *
35 * If optind == argc-1, then there are no arguments after the options. 35 * If optind == argc-1, then there are no arguments after the options.
36 *************************************************************************/ 36 *************************************************************************/
37   37  
38 extern int optind; 38 extern int optind;
39   39  
40 /************************************************************************* 40 /*************************************************************************
41 * optopt 41 * optopt
42 * This variable is READ-ONLY! Do not set its value yourself! 42 * This variable is READ-ONLY! Do not set its value yourself!
43 * 43 *
44 * After each call of getopt(), this variable contains the option character 44 * After each call of getopt(), this variable contains the option character
45 * which was found on this call. 45 * which was found on this call.
46 * 46 *
47 * Normally, you do not need to examine this variable because getopt() 47 * Normally, you do not need to examine this variable because getopt()
48 * returns the value of the character it read. 48 * returns the value of the character it read.
49 * However, when getopt() discovers an illegal option, it returns the 49 * However, when getopt() discovers an illegal option, it returns the
50 * character '?'. You now examine optopt to find the actual character 50 * character '?'. You now examine optopt to find the actual character
51 * which getopt() read. 51 * which getopt() read.
52 *************************************************************************/ 52 *************************************************************************/
53   53  
54 extern int optopt; 54 extern int optopt;
55   55  
56 /************************************************************************* 56 /*************************************************************************
57 * opterr 57 * opterr
58 * This variable is READ/WRITE. You may set its value yourself. 58 * This variable is READ/WRITE. You may set its value yourself.
59 * 59 *
60 * If opterr != 0, then getopt() will print its own error messages 60 * If opterr != 0, then getopt() will print its own error messages
61 * on standard error (stderr). Error messages are of the form: 61 * on standard error (stderr). Error messages are of the form:
62 * 62 *
63 * -x: Illegal option. 63 * -x: Illegal option.
64 * -x: An argument is required, but missing. 64 * -x: An argument is required, but missing.
65 * 65 *
66 * assuming that the illegal option "-x" was read by getopt(). 66 * assuming that the illegal option "-x" was read by getopt().
67 * 67 *
68 * If opterr == 0, these error messages are suppressed. 68 * If opterr == 0, these error messages are suppressed.
69 * 69 *
70 * By default, opterr == 1, meaning that error messages are printed. 70 * By default, opterr == 1, meaning that error messages are printed.
71 *************************************************************************/ 71 *************************************************************************/
72   72  
73 extern int opterr; 73 extern int opterr;
74   74  
75 /************************************************************************* 75 /*************************************************************************
76 * getopt() 76 * getopt()
77 * The function prototype. 77 * The function prototype.
78 *************************************************************************/ 78 *************************************************************************/
79   79  
80   80  
81 #ifdef __STDC__ 81 #ifdef __STDC__
82 int getopt(int argc, char *argv[], char *optionString); 82 int getopt(int argc, char *argv[], char *optionString);
83 #else 83 #else
84 int getopt(); 84 int getopt();
85 #endif /* __STDC__ */ 85 #endif /* __STDC__ */
86   86  
87   -  
88 #endif /* _GETOPT_H */ 87  
-   88 #endif /* _GETOPT_H */
89   89  
90
Generated by GNU Enscript 1.6.5.90.
 -  
91   -  
92   -  
93   -