rb_io_taint_check  170 file.c             fptr = RFILE(rb_io_taint_check(obj))->fptr;
rb_io_taint_check   98 include/ruby/io.h #define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
rb_io_taint_check  161 include/ruby/io.h VALUE rb_io_taint_check(VALUE);
rb_io_taint_check 1385 io.c               fptr = RFILE(rb_io_taint_check(obj))->fptr;
rb_io_taint_check 5312 io.c               rb_io_taint_check(file);