1 #include <u.h> 2 #include <libc.h> 3 #include "String.h" 4 5 6 /* convert String to lower case */ 7 void s_tolower(String * sp)8 s_tolower(String *sp) 9 { 10 char *cp; 11 12 for(cp=sp->ptr; *cp; cp++) 13 *cp = tolower(*cp); 14 } 15