#define study_chunk(a,b,c,d,e,f,g,h,i,j,k) S_study_chunk(aTHX_ a,b,c,d,e,f,g,h,i,j,k)
# endif
# if defined(PERL_IN_REGCOMP_C) || defined (PERL_IN_DUMP_C)
#define study_chunk(a,b,c,d,e,f,g,h,i,j,k) S_study_chunk(aTHX_ a,b,c,d,e,f,g,h,i,j,k)
# endif
# if defined(PERL_IN_REGCOMP_C) || defined (PERL_IN_DUMP_C)