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1 #include <u.h>2 #include <libc.h>3 #include "libString.h"5 /* append a char array ( of up to n characters) to a String */6 String *7 s_nappend(String *to, char *from, int n)8 {9 if (to == 0)10 to = s_new();11 if (from == 0)12 return to;13 for(; n && *from; from++, n--)14 s_putc(to, *from);15 s_terminate(to);16 return to;17 }