/* * memcmp --- compare strings. * * We use our own routine since it has to act like strcmp() for return * value, and the BSD manual says bcmp() only returns zero/non-zero. */ int memcmp (s1, s2, l) char *s1, *s2; int l; { for (; l-- > 0; s1++, s2++) { if (*s1 != *s2) return (*s1 - *s2); } return (0); }