77 parseopts(const char *opts, int *howto)  in parseopts()  argument
81 	opts++; 	/* skip - */  in parseopts()
82 	while (*opts) {  in parseopts()
84 		BOOT_FLAG(*opts, r);  in parseopts()
86 			printf("-%c: unknown flag\n", *opts);  in parseopts()
91 		opts++;  in parseopts()
92 		if (*opts == ' ' || *opts == '\t') {  in parseopts()
94 				opts++;		/* skip whitespace */  in parseopts()
95 			while (*opts == ' ' || *opts == '\t');  in parseopts()
96 			if (*opts == '-')  in parseopts()
97 				opts++;		/* skip - */  in parseopts()
98 			else if (*opts != '\0') {  in parseopts()
113 	char *opts = NULL;  in parseboot()  local
127 		opts = arg;  in parseboot()
132 		opts = gettrailer(arg);  in parseboot()
133 		if (!*opts)  in parseboot()
134 			opts = NULL;  in parseboot()
135 		else if (*opts != '-') {  in parseboot()
145 	if (opts) {  in parseboot()
146 		if (parseopts(opts, howto) == 0)  in parseboot()