?? ip.c
字號:
#include "fmt.h"#include "scan.h"#include "ip.h"unsigned int ip_fmt(s,ip)char *s;struct ip_address *ip;{ unsigned int len; unsigned int i; len = 0; i = fmt_ulong(s,(unsigned long) ip->d[0]); len += i; if (s) s += i; i = fmt_str(s,"."); len += i; if (s) s += i; i = fmt_ulong(s,(unsigned long) ip->d[1]); len += i; if (s) s += i; i = fmt_str(s,"."); len += i; if (s) s += i; i = fmt_ulong(s,(unsigned long) ip->d[2]); len += i; if (s) s += i; i = fmt_str(s,"."); len += i; if (s) s += i; i = fmt_ulong(s,(unsigned long) ip->d[3]); len += i; if (s) s += i; return len;}unsigned int ip_scan(s,ip)char *s;struct ip_address *ip;{ unsigned int i; unsigned int len; unsigned long u; len = 0; i = scan_ulong(s,&u); if (!i) return 0; ip->d[0] = u; s += i; len += i; if (*s != '.') return 0; ++s; ++len; i = scan_ulong(s,&u); if (!i) return 0; ip->d[1] = u; s += i; len += i; if (*s != '.') return 0; ++s; ++len; i = scan_ulong(s,&u); if (!i) return 0; ip->d[2] = u; s += i; len += i; if (*s != '.') return 0; ++s; ++len; i = scan_ulong(s,&u); if (!i) return 0; ip->d[3] = u; s += i; len += i; return len;}unsigned int ip_scanbracket(s,ip)char *s;struct ip_address *ip;{ unsigned int len; if (*s != '[') return 0; len = ip_scan(s + 1,ip); if (!len) return 0; if (s[len + 1] != ']') return 0; return len + 2;}?? 快捷鍵說明
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