ruby_scan_hex 55 include/ruby/util.h #define scan_hex(s,l,e) ((int)ruby_scan_hex((s),(l),(e))) ruby_scan_hex 56 include/ruby/util.h unsigned long ruby_scan_hex(const char *, size_t, size_t *); ruby_scan_hex 2410 re.c code = ruby_scan_hex(p, end-p, &len); ruby_scan_hex 2447 re.c code = ruby_scan_hex(p, 4, &len);