168 #  ifndef STDC
169 #    define STDC  macro
177 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
178 #  define STDC  macro
180 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
181 #  define STDC  macro
183 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
184 #  define STDC  macro
186 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
187 #  define STDC  macro
190 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
191 #  define STDC  macro
194 #ifndef STDC
239 #  ifdef STDC
349 #ifdef STDC