57 	char *envstr;  in build_env_list()  local
60 	if ((envstr = getenv(env)) == NULL)  in build_env_list()
63 	if ((envstr = strdup(envstr)) == NULL)  in build_env_list()
66 	tok = strtok(envstr, comma);  in build_env_list()
83 	char *envstr;  in build_env_list1()  local
86 	if ((envstr = getenv(env)) == NULL)  in build_env_list1()
93 	if (strchr(envstr, ',') == NULL) {  in build_env_list1()
94 		appendlist(list, listend, envstr, 1);  in build_env_list1()
98 	if ((envstr = strdup(envstr)) == NULL)  in build_env_list1()
101 	tok = strtok(envstr, comma);  in build_env_list1()
106 	free(envstr);  in build_env_list1()
112 	char *envstr;  in env_to_intlist()  local
115 	if ((envstr = getenv(env)) == NULL)  in env_to_intlist()
118 	if ((envstr = strdup(envstr)) == NULL)  in env_to_intlist()
121 	for (tok = strtok(envstr, comma);  in env_to_intlist()
136 	free(envstr);  in env_to_intlist()
250 	char *envstr;  in checkenv()  local
252 	if ((envstr = getenv(env)) == NULL)  in checkenv()
254 	while (*envstr == ' ')  in checkenv()
255 		envstr++;  in checkenv()
256 	if (*envstr == '\0')  in checkenv()
258 	return (envstr);  in checkenv()