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#ifndef H_POPT
#define H_POPT
#define POPT_OPTION_DEPTH 10
#define POPT_ARG_NONE 0
#define POPT_ARG_STRING 1
#define POPT_ARG_INT 2
#define POPT_ARG_LONG 3
#define POPT_ERROR_NOARG -10
#define POPT_ERROR_BADOPT -11
#define POPT_ERROR_OPTSTOODEEP -13
#define POPT_ERROR_BADQUOTE -15 /* only from poptParseArgString() */
#define POPT_ERROR_ERRNO -16 /* only from poptParseArgString() */
#define POPT_ERROR_BADNUMBER -17
#define POPT_ERROR_OVERFLOW -18
#define POPT_BADOPTION_NOALIAS (1 << 0) /* don't go into an alias */
struct poptOption {
const char * longName; /* may be NULL */
char shortName; /* may be '\0' */
int argInfo;
void * arg; /* depends on argInfo */
int val; /* 0 means don't return, just update flag */
};
struct poptAlias {
char * longName; /* may be NULL */
char shortName; /* may be '\0' */
int argc;
char ** argv; /* must be free()able */
};
typedef struct poptContext_s * poptContext;
poptContext poptGetContext(char * name, int argc, char ** argv,
struct poptOption * options, int flags);
void poptResetContext(poptContext con);
/* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
int poptGetNextOpt(poptContext con);
/* returns NULL if no argument is available */
char * poptGetOptArg(poptContext con);
/* returns NULL if no more options are available */
char * poptGetArg(poptContext con);
char * poptPeekArg(poptContext con);
char ** poptGetArgs(poptContext con);
/* returns the option which caused the most recent error */
char * poptBadOption(poptContext con, int flags);
void poptFreeContext(poptContext con);
int poptStuffArgs(poptContext con, char ** argv);
int poptAddAlias(poptContext con, struct poptAlias alias, int flags);
int poptReadConfigFile(poptContext con, char * fn);
/* like above, but reads /etc/popt and $HOME/.popt along with environment
vars */
int poptReadDefaultConfig(poptContext con, int useEnv);
/* argv should be freed -- this allows ', ", and \ quoting, but ' is treated
the same as " and both may include \ quotes */
int poptParseArgvString(char * s, int * argcPtr, char *** argvPtr);
const char * poptStrerror(const int error);
#endif
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