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- /* System-dependent stuff, for ``normal'' systems */
-
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #if defined (sparc) && defined (sun)
- #include <alloca.h>
- #endif
- extern char *alloca ();
- #endif
-
- #include <sys/types.h> /* Needed by dirent.h */
-
- #if defined (USG) && defined (TIOCGWINSZ)
- #include <sys/stream.h>
- #if defined (USGr4) || defined (USGr3)
- #include <sys/ptem.h>
- #endif /* USGr4 */
- #endif /* USG && TIOCGWINSZ */
-
- #include <dirent.h>
- typedef struct dirent dirent;
-
- /* SVR4 systems should use <termios.h> rather than <termio.h>. */
-
- #if defined (USGr4)
- #define _POSIX_VERSION
- #endif
-