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36 * The SVID interface to getsubopt provides no way of figuring out which
37 * part of the suboptions list wasn't matched. This makes error messages
38 * tricky... The extern variable suboptarg is a pointer to the token
44 getsubopt(char **optionp, char * const *tokens, char **valuep)
49 suboptarg = *valuep = NULL;
51 if (!optionp || !*optionp)
54 /* skip leading white-space, commas */
55 for (p = *optionp; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
62 /* save the start of the token, and skip the rest of the token. */
64 *++p && *p != ',' && *p != '=' && *p != ' ' && *p != '\t';);
68 * If there's an equals sign, set the value pointer, and
69 * skip over the value part of the token. Terminate the
75 *p && *p != ',' && *p != ' ' && *p != '\t'; ++p);
80 /* Skip any whitespace or commas after this token. */
81 for (; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p);
84 /* set optionp for next round. */
87 for (cnt = 0; *tokens; ++tokens, ++cnt)
88 if (!strcmp(suboptarg, *tokens))