NIL_P            229 array.c        	if (!NIL_P(val)) {
NIL_P            626 array.c            if (NIL_P(obj)) return rb_ary_new2(0);
NIL_P            839 array.c            if (!NIL_P(sep)) {
NIL_P            864 array.c        	if (i > 0 && !NIL_P(sep))
NIL_P            883 array.c            if (NIL_P(sep)) sep = rb_output_fs;
NIL_P            932 array.c            if (NIL_P(inspect_tbl)) {
NIL_P            955 array.c            if (NIL_P(inspect_tbl)) return Qfalse;
NIL_P            1363 array.c        	beg = NIL_P(arg1) ? 0 : NUM2LONG(arg1);
NIL_P            1368 array.c        	len = NIL_P(arg2) ? RARRAY(ary)->len - beg : NUM2LONG(arg2);
NIL_P            1709 array.c        	if (NIL_P(*t)) t++;
NIL_P            1741 array.c        	if (!NIL_P(*p)) n++;
NIL_P            1788 array.c        	    if (NIL_P(memo)) {
NIL_P            359 class.c            if (NIL_P(module)) return;
NIL_P             25 compar.c           if (NIL_P(c)) return Qfalse;
NIL_P             39 compar.c           if (NIL_P(c)) return Qfalse;
NIL_P             54 compar.c           if (NIL_P(c)) return Qfalse;
NIL_P             83 compar.c           if (NIL_P(c)) return Qfalse;
NIL_P             92 enum.c             if (!NIL_P(if_none)) {
NIL_P            348 enum.c             if (NIL_P(memo->u1.value)) {
NIL_P            367 enum.c             if (NIL_P(memo->u1.value)) {
NIL_P            399 enum.c             if (NIL_P(memo->u1.value)) {
NIL_P            418 enum.c             if (NIL_P(memo->u1.value)) {
NIL_P            228 error.c        		if (NIL_P(x)) {
NIL_P            340 error.c            if (NIL_P(mesg)) return rb_class_path(CLASS_OF(exc));
NIL_P            384 error.c            if (!NIL_P(bt)) {
NIL_P            574 error.c            if (NIL_P(num)) {
NIL_P            1222 error.c        	if (NIL_P(ruby_errinfo)) {
NIL_P            246 eval.c             if (NIL_P(klass)) klass = rb_cObject;
NIL_P            935 eval.c             if (NIL_P(info)) return Qnil;
NIL_P            954 eval.c             if (NIL_P(ruby_errinfo)) return;
NIL_P            964 eval.c             if (NIL_P(errat)){
NIL_P            977 eval.c         	if (NIL_P(mesg)) error_pos();
NIL_P            1030 eval.c             if (!NIL_P(errat)) {
NIL_P            1183 eval.c         	    ex = NIL_P(st) ? 1 : NUM2INT(st);
NIL_P            1292 eval.c             if (!NIL_P(ruby_errinfo)) {
NIL_P            1541 eval.c         	if (NIL_P(klass)) return rb_const_defined(CLASS_OF(self), id);
NIL_P            1562 eval.c         	if (NIL_P(klass)) return rb_const_get(CLASS_OF(self), id);
NIL_P            1592 eval.c         	if (!NIL_P(cbase->nd_clss)) rb_ary_push(ary, cbase->nd_clss);
NIL_P            1605 eval.c         	if (!NIL_P(cbase->nd_clss)) {
NIL_P            1611 eval.c             if (!NIL_P(ruby_cbase)) {
NIL_P            2068 eval.c             if (NIL_P(trace)) {
NIL_P            2143 eval.c             if (NIL_P(v)) return rb_ary_new2(0);
NIL_P            2291 eval.c         	    while (!NIL_P(rb_gets())) {
NIL_P            2955 eval.c         	if (NIL_P(ruby_class)) {
NIL_P            2963 eval.c         	if (NIL_P(ruby_cbase)) {
NIL_P            3172 eval.c         	    if (NIL_P(ruby_class)) {
NIL_P            3268 eval.c         	if (NIL_P(ruby_class)) {
NIL_P            3276 eval.c         	if (NIL_P(ruby_class)) {
NIL_P            3292 eval.c         	    if (NIL_P(ruby_class)) {
NIL_P            3342 eval.c         	    if (NIL_P(ruby_class)) {
NIL_P            3572 eval.c         	if (!NIL_P(ruby_errinfo)) {
NIL_P            3604 eval.c             if (NIL_P(mesg)) mesg = ruby_errinfo;
NIL_P            3605 eval.c             if (NIL_P(mesg)) {
NIL_P            3610 eval.c             if (ruby_sourcefile && !NIL_P(mesg)) {
NIL_P            3612 eval.c         	if (NIL_P(at)) {
NIL_P            3617 eval.c             if (!NIL_P(mesg)) {
NIL_P            3621 eval.c             if (RTEST(ruby_debug) && !NIL_P(ruby_errinfo)
NIL_P            3680 eval.c         	if (NIL_P(argv[0])) break;
NIL_P            4937 eval.c             if (NIL_P(level)) lev = 1;
NIL_P            5003 eval.c             if (!NIL_P(scope)) {
NIL_P            5062 eval.c         	if (!NIL_P(result)) ruby_errinfo = result;
NIL_P            5068 eval.c             if (!NIL_P(scope)) {
NIL_P            5142 eval.c         	if (!NIL_P(scope) && !OBJ_TAINTED(scope)) {
NIL_P            5156 eval.c             if (NIL_P(scope) && ruby_frame->prev) {
NIL_P            5410 eval.c             if (!NIL_P(ruby_errinfo))	/* exception during load */
NIL_P            5903 eval.c             if (!NIL_P(val) && !rb_obj_is_kind_of(val, rb_eException)) {
NIL_P            5922 eval.c             if (NIL_P(ruby_errinfo)) {
NIL_P            6698 eval.c             if (NIL_P(block)) {
NIL_P            8253 eval.c             if (!NIL_P(th->errinfo) && (th->flags & THREAD_RAISED)) {
NIL_P            8278 eval.c             if (!NIL_P(limit)) delay = rb_num2dbl(limit);
NIL_P            8690 eval.c             if (state && status != THREAD_TO_KILL && !NIL_P(ruby_errinfo)) {
NIL_P            8813 eval.c         	if (!NIL_P(th->errinfo) && (th->flags & THREAD_RAISED))
NIL_P            9054 eval.c             if (NIL_P(val)) {
NIL_P            127 ext/Win32API/Win32API.c     if (NIL_P(export)) {
NIL_P            245 ext/Win32API/Win32API.c 		if (NIL_P(str)) {
NIL_P            376 ext/curses/curses.c     if (!NIL_P(str)) {
NIL_P            1010 ext/curses/curses.c     if (!NIL_P(str)) {
NIL_P             92 ext/dbm/dbm.c      else if (NIL_P(vmode)) {
NIL_P            132 ext/dbm/dbm.c      if (NIL_P(fdbm_initialize(argc, argv, obj))) {
NIL_P            183 ext/dbm/dbm.c      if (argc == 1 && !rb_block_given_p() && NIL_P(valstr))
NIL_P            190 ext/digest/digest.c     if (!NIL_P(arg)) rb_digest_base_update(self, arg);
NIL_P            156 ext/dl/sym.c     sname = NIL_P(name) ? NULL : StringValuePtr(name);
NIL_P            157 ext/dl/sym.c     stype = NIL_P(type) ? NULL : StringValuePtr(type);
NIL_P             93 ext/gdbm/gdbm.c     else if (NIL_P(vmode)) {
NIL_P            100 ext/gdbm/gdbm.c     if (!NIL_P(vflags))
NIL_P            143 ext/gdbm/gdbm.c     if (NIL_P(fgdbm_initialize(argc, argv, obj))) {
NIL_P            254 ext/gdbm/gdbm.c     if (NIL_P(valstr)) {
NIL_P            279 ext/gdbm/gdbm.c     if (argc == 1 && !rb_block_given_p() && NIL_P(valstr))
NIL_P            300 ext/gdbm/gdbm.c         if (!NIL_P(valstr2) &&
NIL_P            418 ext/gdbm/gdbm.c     if (NIL_P(keystr)) return Qnil;
NIL_P            767 ext/gdbm/gdbm.c         if (!NIL_P(valstr2) &&
NIL_P            191 ext/iconv/iconv.c     if (!rb_ivar_defined(error, rb_mesg) || NIL_P(rb_ivar_get(error, rb_mesg)))
NIL_P            218 ext/iconv/iconv.c     if (NIL_P(str))
NIL_P            252 ext/iconv/iconv.c     if (NIL_P(str)) {
NIL_P            297 ext/iconv/iconv.c 		if (NIL_P(str)) {
NIL_P            449 ext/iconv/iconv.c     if (!NIL_P(last)) {
NIL_P            574 ext/iconv/iconv.c 			 NIL_P(n1) ? 0 : NUM2INT(n1),
NIL_P            575 ext/iconv/iconv.c 			 NIL_P(n2) ? -1 : NUM2INT(n1),
NIL_P            335 ext/racc/cparse/cparse.c     if (! NIL_P(lexmid))
NIL_P            385 ext/racc/cparse/cparse.c     if (NIL_P(block_args)) {
NIL_P            445 ext/racc/cparse/cparse.c         if (NIL_P(tmp)) goto notfound;
NIL_P            472 ext/racc/cparse/cparse.c                 v->t = NIL_P(tmp) ? vERROR_TOKEN : tmp;
NIL_P            488 ext/racc/cparse/cparse.c         if (NIL_P(vact)) goto notfound;
NIL_P            492 ext/racc/cparse/cparse.c         if (NIL_P(tmp)) goto notfound;
NIL_P            572 ext/racc/cparse/cparse.c         if (NIL_P(tmp)) goto e_notfound;
NIL_P            580 ext/racc/cparse/cparse.c         if (NIL_P(vact)) {
NIL_P            587 ext/racc/cparse/cparse.c         if (NIL_P(tmp)) {
NIL_P            742 ext/racc/cparse/cparse.c     if (NIL_P(tmp)) goto notfound;
NIL_P            749 ext/racc/cparse/cparse.c     if (NIL_P(goto_state)) {
NIL_P            756 ext/racc/cparse/cparse.c     if (NIL_P(tmp)) {
NIL_P            120 ext/readline/readline.c     if (NIL_P(proc))
NIL_P            194 ext/readline/readline.c     if (NIL_P(str) || !StringValuePtr(str) || !RSTRING(str)->len) {
NIL_P             84 ext/sdbm/init.c     else if (NIL_P(vmode)) {
NIL_P            121 ext/sdbm/init.c     if (NIL_P(fsdbm_initialize(argc, argv, obj))) {
NIL_P            172 ext/sdbm/init.c     if (argc == 1 && !rb_block_given_p() && NIL_P(valstr))
NIL_P            461 ext/sdbm/init.c     if (NIL_P(valstr)) return fsdbm_delete(obj, keystr);
NIL_P            394 ext/socket/socket.c     if (!NIL_P(to)) {
NIL_P            582 ext/socket/socket.c     if (NIL_P(host)) {
NIL_P            610 ext/socket/socket.c     if (NIL_P(port)) {
NIL_P            843 ext/socket/socket.c     if (!NIL_P(h)) {
NIL_P            916 ext/socket/socket.c     if (type != INET_SERVER && (!NIL_P(arg->local.host) || !NIL_P(arg->local.serv))) {
NIL_P            916 ext/socket/socket.c     if (type != INET_SERVER && (!NIL_P(arg->local.host) || !NIL_P(arg->local.serv))) {
NIL_P            2085 ext/socket/socket.c     if (!NIL_P(type)) {
NIL_P            2109 ext/socket/socket.c     if (NIL_P(protocol)) proto = "tcp";
NIL_P            2142 ext/socket/socket.c     if (NIL_P(host)) {
NIL_P            2150 ext/socket/socket.c     if (NIL_P(port)) {
NIL_P            2164 ext/socket/socket.c     if (NIL_P(family)) {
NIL_P            2181 ext/socket/socket.c     if (!NIL_P(socktype)) {
NIL_P            2184 ext/socket/socket.c     if (!NIL_P(protocol)) {
NIL_P            2187 ext/socket/socket.c     if (!NIL_P(flags)) {
NIL_P            2219 ext/socket/socket.c     if (!NIL_P(flags)) {
NIL_P            2243 ext/socket/socket.c 	    if (NIL_P(host)) {
NIL_P            2259 ext/socket/socket.c 	if (NIL_P(host)) {
NIL_P            2268 ext/socket/socket.c 	if (NIL_P(port)) {
NIL_P            2283 ext/socket/socket.c 	if (NIL_P(af)) {
NIL_P             96 ext/stringio/stringio.c #define CLOSED(ptr) NIL_P((ptr)->string)
NIL_P            321 ext/stringio/stringio.c     if (!NIL_P(string)) {
NIL_P            503 ext/stringio/stringio.c     switch (NIL_P(whence) ? 0 : NUM2LONG(whence)) {
NIL_P            591 ext/stringio/stringio.c     if (NIL_P(c)) rb_eof_error();
NIL_P            650 ext/stringio/stringio.c 	if (!NIL_P(str)) StringValue(str);
NIL_P            657 ext/stringio/stringio.c     if (NIL_P(str)) {
NIL_P            724 ext/stringio/stringio.c     if (NIL_P(line)) rb_eof_error();
NIL_P            737 ext/stringio/stringio.c     while (!NIL_P(line = strio_gets_internal(argc, argv, readable(ptr)))) {
NIL_P            751 ext/stringio/stringio.c     while (!NIL_P(line = strio_gets_internal(argc, argv, readable(ptr)))) {
NIL_P            832 ext/stringio/stringio.c 	if (!NIL_P(argv[0])) {
NIL_P            855 ext/stringio/stringio.c     if (NIL_P(val)) {
NIL_P            876 ext/stringio/stringio.c     if (NIL_P(string)) {
NIL_P             65 ext/strscan/strscan.c     if (NIL_P(var->str)) rb_raise(rb_eArgError, "uninitialized StringScanner object");\
NIL_P            659 ext/strscan/strscan.c     if (NIL_P(p->str)) {
NIL_P             55 ext/syslog/syslog.c     if (NIL_P(ident)) {
NIL_P             58 ext/syslog/syslog.c     if (NIL_P(opt)) {
NIL_P             61 ext/syslog/syslog.c     if (NIL_P(fac)) {
NIL_P            446 ext/tcltklib/tcltklib.c     if (NIL_P(res)) {
NIL_P            1601 ext/win32ole/win32ole.c     if (!NIL_P(host))
NIL_P            4642 ext/win32ole/win32ole.c         if(NIL_P(event_name)) {
NIL_P            4769 ext/win32ole/win32ole.c     if (NIL_P(ary) || TYPE(ary) != T_ARRAY) {
NIL_P            4779 ext/win32ole/win32ole.c     if (NIL_P(event)) {
NIL_P            5177 ext/win32ole/win32ole.c     if (NIL_P(ary) || TYPE(ary) != T_ARRAY) {
NIL_P            5193 ext/win32ole/win32ole.c     if(!NIL_P(event)) {
NIL_P            1092 file.c             if (NIL_P(o)) {
NIL_P            1098 file.c             if (NIL_P(g)) {
NIL_P            1150 file.c             if (NIL_P(o)) {
NIL_P            1156 file.c             if (NIL_P(g)) {
NIL_P            1484 file.c         	if (!NIL_P(dname)) {
NIL_P            1624 file.c         	if (NIL_P(fext) || !(f = rmext(name, ext)))
NIL_P            1630 file.c         	if (NIL_P(fext) || !(f = rmext(p, ext))) {
NIL_P            1189 hash.c             if (NIL_P(val)) {
NIL_P            1323 hash.c         	if (!NIL_P(val)) {
NIL_P            749 io.c               if (NIL_P(length)) {
NIL_P            799 io.c           	    if (!NIL_P(str)) {
NIL_P            814 io.c           	    if (!NIL_P(str)) {
NIL_P            843 io.c           		if (!NIL_P(str))
NIL_P            856 io.c           	if (!NIL_P(str)) {
NIL_P            916 io.c               if (!NIL_P(str)) {
NIL_P            932 io.c               if (NIL_P(rs)) {
NIL_P            971 io.c               if (!NIL_P(str)) {
NIL_P            1010 io.c               if (!NIL_P(str)) {
NIL_P            1072 io.c               if (NIL_P(line)) {
NIL_P            1097 io.c               while (!NIL_P(line = rb_io_getline(rs, fptr))) {
NIL_P            1121 io.c               while (!NIL_P(str = rb_io_getline(rs, fptr))) {
NIL_P            1207 io.c               if (NIL_P(c)) {
NIL_P            2048 io.c               if (NIL_P(port)) {
NIL_P            2093 io.c               if (FIXNUM_P(vmode) || !NIL_P(perm)) {
NIL_P            2095 io.c           	fmode = NIL_P(perm) ? 0666 :  NUM2INT(perm);
NIL_P            2100 io.c           	mode = NIL_P(vmode) ? "r" : StringValuePtr(vmode);
NIL_P            2132 io.c               if (NIL_P(vmode)) flags = O_RDONLY;
NIL_P            2137 io.c               if (NIL_P(perm)) fmode = 0666;
NIL_P            2288 io.c               if (!NIL_P(nmode)) {
NIL_P            2430 io.c           	if (!NIL_P(rb_output_fs) && i>0) {
NIL_P            2442 io.c               if (!NIL_P(rb_output_rs)) {
NIL_P            2507 io.c           	if (NIL_P(argv[i])) {
NIL_P            2512 io.c           	    if (!NIL_P(line)) {
NIL_P            2766 io.c           	if (!NIL_P(fd)) {
NIL_P            2945 io.c               if (NIL_P(line) && next_p != -1) {
NIL_P            2979 io.c               if (NIL_P(line) && next_p != -1) {
NIL_P            2985 io.c               if (!NIL_P(line)) {
NIL_P            3000 io.c               if (NIL_P(line)) {
NIL_P            3022 io.c               while (!NIL_P(line = argf_getline(argc, argv))) {
NIL_P            3038 io.c               if (NIL_P(port)) return rb_str_new(0,0);
NIL_P            3045 io.c               if (NIL_P(result)) return rb_str_new(0,0);
NIL_P            3070 io.c               if (NIL_P(timeout)) {
NIL_P            3079 io.c               if (!NIL_P(read)) {
NIL_P            3100 io.c               if (!NIL_P(write)) {
NIL_P            3117 io.c               if (!NIL_P(except)) {
NIL_P            3233 io.c               if (NIL_P(arg) || arg == Qfalse) {
NIL_P            3454 io.c               while (!NIL_P(str = rb_io_getline(arg->sep, arg->fptr))) {
NIL_P            3476 io.c               if (NIL_P(io)) return Qnil;
NIL_P            3504 io.c               if (NIL_P(arg.io)) return Qnil;
NIL_P            3529 io.c               if (NIL_P(arg.io)) return Qnil;
NIL_P            3530 io.c               if (!NIL_P(offset)) {
NIL_P            3629 io.c               if (NIL_P(tmp) && next_p != -1) {
NIL_P            3634 io.c               if (NIL_P(tmp) || RSTRING(tmp)->len == 0) return str;
NIL_P            3635 io.c               else if (NIL_P(str)) str = tmp;
NIL_P            3662 io.c               if (NIL_P(byte) && next_p != -1) {
NIL_P            3676 io.c               if (NIL_P(c)) {
NIL_P            3717 io.c               while (!NIL_P(byte = argf_getc())) {
NIL_P            482 marshal.c      	    if (NIL_P(RHASH(obj)->ifnone)) {
NIL_P            494 marshal.c      	    if (!NIL_P(RHASH(obj)->ifnone)) {
NIL_P            583 marshal.c      	if (!NIL_P(a2)) limit = NUM2INT(a2);
NIL_P            855 marshal.c      	if (NIL_P(v)) {
NIL_P            1212 marshal.c          if (NIL_P(proc)) arg.proc = 0;
NIL_P            1246 marshal.c          if (!NIL_P(port)) argc = 2;
NIL_P            854 numeric.c          if (NIL_P(val)) {
NIL_P            954 numeric.c          if (NIL_P(val)) {
NIL_P            912 object.c       		     NIL_P(val) ? "nil" :
NIL_P            953 object.c           if (NIL_P(v)) return Qnil;
NIL_P            1196 object.c           if (NIL_P(val)) {
NIL_P            400 pack.c         	    if (NIL_P(from)) {
NIL_P            558 pack.c         		if (NIL_P(from)) c = 0;
NIL_P            572 pack.c         		if (NIL_P(from)) s = 0;
NIL_P            586 pack.c         		if (NIL_P(from)) i = 0;
NIL_P            600 pack.c         		if (NIL_P(from)) l = 0;
NIL_P            614 pack.c         		if (NIL_P(from)) from = INT2FIX(0);
NIL_P            625 pack.c         		if (NIL_P(from)) s = 0;
NIL_P            639 pack.c         		if (NIL_P(from)) l = 0;
NIL_P            653 pack.c         		if (NIL_P(from)) s = 0;
NIL_P            667 pack.c         		if (NIL_P(from)) l = 0;
NIL_P            782 pack.c         		if (NIL_P(from)) l = 0;
NIL_P            824 pack.c         	    if (!NIL_P(from)) {
NIL_P            837 pack.c         		if (NIL_P(from)) {
NIL_P            869 pack.c         		if (NIL_P(from)) ul = 0;
NIL_P            2351 parse.y        	    if (NIL_P(ruby_debug_lines)) {
NIL_P            2424 parse.y            if (ruby_debug_lines && !NIL_P(line)) {
NIL_P            2477 parse.y        	    if (NIL_P(v)) return -1;
NIL_P            348 process.c      	if (argc == 2 && !NIL_P(vflags)) {
NIL_P            367 process.c          if (NIL_P(pid)) return Qnil;
NIL_P            742 re.c               if (NIL_P(match) || FL_TEST(match, MATCH_BUSY)) {
NIL_P            766 re.c               if (NIL_P(match)) return Qnil;
NIL_P            786 re.c               if (NIL_P(match)) return Qnil;
NIL_P            816 re.c               if (NIL_P(match)) return Qnil;
NIL_P            829 re.c               if (NIL_P(match)) return Qnil;
NIL_P            843 re.c               if (NIL_P(match)) return Qnil;
NIL_P            909 re.c               if (!NIL_P(rest) || !FIXNUM_P(idx) || FIX2INT(idx) < 0) {
NIL_P            949 re.c               if (NIL_P(str)) str = rb_str_new(0,0);
NIL_P            1098 re.c               if (NIL_P(str)) {
NIL_P            1135 re.c               if (NIL_P(result)) return Qnil;
NIL_P            1264 re.c               if (!NIL_P(kcode)) {
NIL_P            1516 re.c               if (NIL_P(match)) return Qnil;
NIL_P            1525 re.c               if (!NIL_P(val)) {
NIL_P            781 ruby.c         	    while (!NIL_P(line = rb_io_gets(f))) {
NIL_P            797 ruby.c         	    if (NIL_P(line)) return;
NIL_P            846 ruby.c         	else if (!NIL_P(c)) {
NIL_P            850 ruby.c         	if (NIL_P(c)) return;
NIL_P            238 signal.c       	    if (!NIL_P(str)) {
NIL_P            491 signal.c           if (NIL_P(command)) {
NIL_P            221 string.c           if (NIL_P(str2)) {
NIL_P            729 string.c       	if (NIL_P(str2)) return Qfalse;
NIL_P            1372 string.c           if (!NIL_P(result)) {
NIL_P            1394 string.c       	if (NIL_P(val)) {
NIL_P            1654 string.c       		 NIL_P(line) ? "nil" : rb_class2name(CLASS_OF(line)));
NIL_P            1674 string.c           if (NIL_P(rb_str_sub_bang(argc, argv, str)))
NIL_P            1695 string.c           if (NIL_P(rb_str_gsub_bang(argc, argv, str)))
NIL_P            2464 string.c           if (NIL_P(spat)) {
NIL_P            2465 string.c       	if (!NIL_P(rb_fs)) {
NIL_P            2509 string.c       		    if (!NIL_P(limit) && lim <= ++i) break;
NIL_P            2550 string.c       	    if (!NIL_P(limit) && lim <= ++i) break;
NIL_P            2553 string.c           if (!NIL_P(limit) || RSTRING(str)->len > beg || lim < 0) {
NIL_P            2560 string.c           if (NIL_P(limit) && lim == 0) {
NIL_P            2606 string.c           if (NIL_P(rs)) {
NIL_P            2740 string.c           if (NIL_P(rs)) return Qnil;
NIL_P            2803 string.c           if (NIL_P(rb_str_chomp_bang(argc, argv, dup)))
NIL_P            2878 string.c           if (NIL_P(l) && NIL_P(r)) return Qnil;
NIL_P            2878 string.c           if (NIL_P(l) && NIL_P(r)) return Qnil;
NIL_P            2937 string.c       	while (!NIL_P(result = scan_once(str, pat, &start))) {
NIL_P            2945 string.c           while (!NIL_P(result = scan_once(str, pat, &start))) {
NIL_P            3129 string.c           if (!NIL_P(val) && TYPE(val) != T_STRING) {
NIL_P             44 struct.c           if (NIL_P(member)) {
NIL_P             73 struct.c           if (NIL_P(member)) {
NIL_P            134 struct.c           if (NIL_P(member)) {
NIL_P            157 struct.c           if (NIL_P(name)) {
NIL_P            241 struct.c           if (!NIL_P(name) && TYPE(name) != T_STRING) {
NIL_P            344 struct.c           if (NIL_P(member)) {
NIL_P            374 struct.c           if (NIL_P(member)) {
NIL_P            448 struct.c           if (NIL_P(member)) {
NIL_P            492 struct.c           if (NIL_P(member)) {
NIL_P            266 time.c         	*usec = NIL_P(v[6]) ? 0 : obj2long(v[6]);
NIL_P            285 time.c             if (NIL_P(v[1])) {
NIL_P            308 time.c             if (NIL_P(v[2])) {
NIL_P            314 time.c             tm->tm_hour = NIL_P(v[3])?0:obj2long(v[3]);
NIL_P            315 time.c             tm->tm_min  = NIL_P(v[4])?0:obj2long(v[4]);
NIL_P            316 time.c             tm->tm_sec  = NIL_P(v[5])?0:obj2long(v[5]);
NIL_P            161 variable.c         if (NIL_P(path)) {
NIL_P            163 variable.c     	if (NIL_P(path)) {
NIL_P            566 variable.c         if (NIL_P(cmd)) {
NIL_P            623 variable.c         if (NIL_P(cmd)) {
NIL_P            752 variable.c         if (!NIL_P(rb_backref_get())) {