/* * Memory operations as defined in the 8th edition manual * D .A. Kapilow 12/17/86 */ char *memccpy(s1, s2, c, n) register char *s1, *s2; register int c, n; { register char cc = c; for (; n--; s1++, s2++) if (cc == (*s1 = *s2)) return ++s1; return (char *)0; } char *memchr(s, c, n) register char *s; register c, n; { register char cc = c; for (; n--; s++) if (*s == cc) return s; return (char *)0; } int memcmp(s1, s2, n) register char *s1, *s2; register int n; { for (; n--; s1++, s2++) if (*s1 != *s2) return (*s1 - *s2); return 0; } char *memcpy(s1, s2, n) register char *s1, *s2; register int n; { char *r = s1; while(n--) *s1++ = *s2++; return r; } char *memset(s, c, n) register char *s; register int c, n; { char *r = s; while (n--) *s++ = c; return r; }