-required_ctype_h="isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit tolower toupper"
-required_dirent_h="closedir opendir readdir rewinddir"
-extra_check_errno_h="errno"
-required_curses_h="box delwin endwin getcurx getcury initscr mvcur mvwprintw mvwscanw newwin overlay overwrite scroll subwin touchwin waddstr wclear wclrtobot wclrtoeol waddch wdelch wdeleteln werase wgetch wgetstr winsch winsertln wmove wprintw wrefresh wscanw wstandend wstandout"
-required_fcntl_h="creat fcntl open"
-# required_float_h=...
-required_grp_h="getgrgid getgrnam"
-# Maybe also "getgrent fgetgrent setgrent endgrent" */
-# required_limit_h= /* Lots of macros */
-required_locale_h="localeconv setlocale"
-required_math_h="acos asin atan atan2 ceil cos cosh exp fabs floor fmod frexp ldexp log10 log modf pow sin sinh sqrt tan tanh"
-extra_check_math_h="HUGE_VAL"
-
-required_pwd_h="getpwnam getpwuid"
-required_setjmp_h="longjmp setjmp siglongjmp sigsetjmp"
-required_signal_h="kill raise sigaction sigaddset sigdelset sigemptyset sigfillset sigismember signal sigpending sigprocmask sigsuspend"
-# *stdarg_h *stddef.h - supplied by gcc
-required_stdio_h="clearerr fclose feof ferror fflush fgetc fgetpos fgets fopen fprintf fputc fputs fread freopen fscanf fseek fsetpos ftell fwrite getc getchar gets perror printf putc putchar puts remove rename rewind scanf setbuf setvbuf sprintf sscanf tmpfile tmpnam ungetc vfprintf vprintf vsprintf"
-# Should perhaps also handle NULL, EOF, ... ?
-required_stdlib_h="abort abs atexit atof atoi atol bsearch calloc exit free getenv labs malloc qsort rand realloc srand strtod strtol strtoul system"
-# "div ldiv", - ignored because these depend on div_t, ldiv_t
-# ignore these: "mblen mbstowcs mbstowc wcstombs wctomb"
-# Should perhaps also add NULL
-required_string_h="memchr memcmp memcpy memmove memset strcat strchr strcmp strcoll strcpy strcspn strerror strlen strncat strncmp"
-# Should perhaps also add NULL and size_t
-required_sys_stat_h="chmod fstat mkdir mkfifo stat umask"
-extra_check_sys_stat_h="S_ISDIR S_ISBLK S_ISCHR S_ISFIFO S_ISREG S_ISLNK S_IFDIR S_IFBLK S_IFCHR S_IFIFO S_IFREG S_IFLNK"
-required_sys_times_h="times"
-# "sys_types.h" add types (not in old g++-include)
-required_sys_resource_h="getrusage getrlimit setrlimit getpriority setpriority"
-required_sys_utsname_h="uname"
-required_sys_wait_h="wait waitpid"
-extra_check_sys_wait_h="WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED WSTOPSIG WTERMSIG WNOHANG WNOTRACED"
-# required_tar.h=
-required_termios_h="cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcdrain tcflow tcflush tcgetattr tcsendbreak tcsetattr"
-required_time_h="asctime clock ctime difftime gmtime localtime mktime strftime time tzset"
-required_unistd_h="_exit access alarm chdir chown close ctermid cuserid dup dup2 execl execle execlp execv execve execvp fork fpathconf getcwd getegid geteuid getgid getgroups getlogin getpgrp getpid getppid getuid isatty link lseek pathconf pause pipe read rmdir setgid setpgid setsid setuid sleep sysconf tcgetpgrp tcsetpgrp ttyname unlink write"
-