1 #include "strings/case.h"
2 
3 #include "strings/ascii_ctype.h"
4 
5 namespace dynamic_depth {
6 
LowerString(string * s)7 void LowerString(string* s) {
8   string::iterator end = s->end();
9   for (string::iterator i = s->begin(); i != end; ++i) {
10     *i = ascii_tolower(*i);
11   }
12 }
13 
14 }  // namespace dynamic_depth
15