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#ifndef PARSE_OPTIONS_H #define PARSE_OPTIONS_H enum parse_opt_type { OPTION_END, OPTION_BOOLEAN, OPTION_STRING, OPTION_INTEGER, }; enum parse_opt_flags { PARSE_OPT_KEEP_DASHDASH = 1, }; struct option { enum parse_opt_type type; int short_name; const char *long_name; void *value; }; #define OPT_END() { OPTION_END } #define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v) } #define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v) } #define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v) } /* parse_options() will filter out the processed options and leave the * non-option argments in argv[]. * Returns the number of arguments left in argv[]. */ extern int parse_options(int argc, const char **argv, const struct option *options, const char *usagestr, int flags); #endif