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()
1040 			} else if (*cp == 'S' && *subtopic == NULL) {  in help_getnext()
1043 				*subtopic = strdup(cp + 1);  in help_getnext()
1051 			free(*subtopic);  in help_getnext()
1060 help_emitsummary(char *topic, char *subtopic, char *desc)  in help_emitsummary()  argument
1067 	if (subtopic != NULL) {  in help_emitsummary()
1069 		(void) pager_output(subtopic);  in help_emitsummary()
1070 		i += strlen(subtopic) + 1;  in help_emitsummary()
1088 	char *topic, *subtopic, *t, *s, *d;  in command_help()  local
1099 	topic = subtopic = NULL;  in command_help()
1102 		subtopic = strdup(argv[2]);  in command_help()
1135 			if ((subtopic == NULL && s == NULL) ||  in command_help()
1136 			    (subtopic != NULL && s != NULL &&  in command_help()
1137 			    strcmp(subtopic, s) == 0)) {  in command_help()
1146 			} else if (subtopic == NULL && s != NULL) {  in command_help()
1166 		free(subtopic);  in command_help()
1170 	free(subtopic);  in command_help()