bcopy.c Source File

00001 /*********************************************************************
00002  * RPC for the Windows NT Operating System
00003  * 1993 by Martin F. Gergeleit
00004  * Users may use, copy or modify Sun RPC for the Windows NT Operating
00005  * System according to the Sun copyright below.
00006  *
00007  * RPC for the Windows NT Operating System COMES WITH ABSOLUTELY NO
00008  * WARRANTY, NOR WILL I BE LIABLE FOR ANY DAMAGES INCURRED FROM THE
00009  * USE OF. USE ENTIRELY AT YOUR OWN RISK!!!
00010  *********************************************************************/
00011 
00012 /*
00013  *  bcopy.c --
00014  *      Implements bcopy(2) and bzero(2) byte operations.
00015  *
00016  *  Author:
00017  *      See-Mong Tan, 6/26/88
00018  */
00019 
00020 #if !defined(UNDER_CE) && !defined(WINDOWS_CE)
00021 #include <stdio.h>
00022 #endif
00023 
00024 /*
00025  *  bcopy(char *s1, char *s2, int len) --
00026  *      Copies len bytes from s1 to s2
00027  */
00028 void
00029 bcopy(s1, s2, len)
00030         char *s1, *s2;
00031         int len;
00032 {
00033         for(; len > 0; len--)
00034                 *s2++ = *s1++;
00035 }
00036 
00037 /*
00038  *  bzero(char *s, int len) --
00039  *      Places len zero byes in s
00040  */
00041 void
00042 bzero(s, len)
00043         char *s;
00044         int len;
00045 {
00046         for(; len > 0; len--)
00047                 *s++ = (char) 0;
00048 }
00049 
00050 /*
00051  *  bcmp() compares byte  string  b1  against  byte  string  b2,
00052  *  returning  zero  if  they are identical, non-zero otherwise.
00053  *  Both strings are assumed to be length bytes long.  bcmp() of
00054  *  length zero bytes always returns zero.
00055 */
00056 int
00057 bcmp(s1, s2, len)
00058         char *s1, *s2;
00059         int len;
00060 {
00061         for(; len > 0; len--, s1++, s2++)
00062                 if (*s1 != *s2)
00063                         return 1;
00064         return 0;
00065 }