STDC_HEADERS      102 include/ruby/defines.h #ifdef STDC_HEADERS
STDC_HEADERS      111 include/ruby/defines.h # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
STDC_HEADERS      293 regint.h       #ifdef STDC_HEADERS
STDC_HEADERS      115 strftime.c     #ifdef STDC_HEADERS