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1 #include <u.h>2 #include <libc.h>3 #include "libString.h"5 String*6 s_reset(String *s)7 {8 if(s != nil){9 s = s_unique(s);10 s->ptr = s->base;11 *s->ptr = '\0';12 } else13 s = s_new();14 return s;15 }17 String*18 s_restart(String *s)19 {20 s = s_unique(s);21 s->ptr = s->base;22 return s;23 }