1 #include "fmt.h"
2 #include "ip4.h"
3 
fmt_ip4(char * s,const char ip[4])4 size_t fmt_ip4(char *s,const char ip[4])
5 {
6   size_t i,len;
7 
8   len = 0;
9   for (i=0; i<4; ++i) {
10     register size_t j;
11     len+=(j=fmt_ulong(s,(unsigned long) (unsigned char) ip[i]))+1;
12     if (s && i<3) { s+=j; *s++='.'; }
13   }
14   return len-1;
15 }
16