#include "fmt.h" #include "ip4.h" unsigned int ip4_fmt(char *s,const char ip[4]) { unsigned int len; int i; len = 0; for (i=0; i<4; ++i) { register unsigned int j; len+=(j=fmt_ulong(s,(unsigned long) (unsigned char) ip[i]))+1; if (s && i<3) { s+=i; *s++='.'; } } return len; }