S_IRUSR          1214 file.c         #  define S_IRUGO		(S_IRUSR | S_IRGRP | S_IROTH)
S_IRUSR          4017 file.c         #ifdef S_IRUSR
S_IRUSR          4019 file.c         	return st->st_mode & S_IRUSR ? Qtrue : Qfalse;
S_IRUSR          4052 file.c         #ifdef S_IRUSR
S_IRUSR          4054 file.c         	return st->st_mode & S_IRUSR ? Qtrue : Qfalse;
S_IRUSR           123 include/ruby/defines.h #ifndef S_IRUSR
S_IRUSR           305 include/ruby/win32.h #if !defined S_IRUSR && !defined __MINGW32__