1020 help_getnext(int fd, char **topic, char **subtopic, char **desc)  in help_getnext()  argument
1024 	*topic = *subtopic = *desc = NULL;  in help_getnext()
1032 		*topic = *subtopic = *desc = NULL;  in help_getnext()
1036 			if (*cp == 'T' && *topic == NULL) {  in help_getnext()
1039 				*topic = strdup(cp + 1);  in help_getnext()
1050 		if (*topic == NULL) {  in help_getnext()
1060 help_emitsummary(char *topic, char *subtopic, char *desc)  in help_emitsummary()  argument
1065 	(void) pager_output(topic);  in help_emitsummary()
1066 	i = strlen(topic);  in help_emitsummary()
1088 	char *topic, *subtopic, *t, *s, *d;  in command_help()  local
1099 	topic = subtopic = NULL;  in command_help()
1105 		topic = strdup(argv[1]);  in command_help()
1108 		topic = strdup("help");  in command_help()
1117 	doindex = strcmp(topic, "index") == 0;  in command_help()
1127 		} else if (strcmp(topic, t)) {  in command_help()
1164 		    "no help available for '%s'", topic);  in command_help()
1165 		free(topic);  in command_help()
1169 	free(topic);  in command_help()