47 find_var(char **env, char *assignment, size_t len)  in find_var()  argument
50     for(i = 0; env != NULL && env[i] != NULL; i++)  in find_var()
51 	if(strncmp(env[i], assignment, len) == 0)  in find_var()
63 read_env_file(FILE *F, char ***env, int *assigned)  in read_env_file()  argument
74     for(idx = 0; *env != NULL && (*env)[idx] != NULL; idx++);  in read_env_file()
75     l = *env;  in read_env_file()
121     *env = l;  in read_env_file()
131 read_environment(const char *file, char ***env)  in read_environment()  argument
139     read_env_file(F, env, &assigned);  in read_environment()
145 free_environment(char **env)  in free_environment()  argument
148     if (env == NULL)  in free_environment()
150     for (i = 0; env[i]; i++)  in free_environment()
151 	free(env[i]);  in free_environment()
152     free(env);  in free_environment()