File: bcopy.c

package info (click to toggle)
gccxml 0.7.0%2Bcvs20060311-2
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 45,240 kB
  • ctags: 59,007
  • sloc: ansic: 589,435; asm: 19,610; cpp: 12,681; sh: 4,326; yacc: 3,727; makefile: 3,074; perl: 318; lex: 307; awk: 117; pascal: 78; sed: 20
file content (27 lines) | stat: -rw-r--r-- 579 bytes parent folder | download | duplicates (30) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
/* bcopy -- copy memory regions of arbitary length

@deftypefn Supplemental void bcopy (char *@var{in}, char *@var{out}, int @var{length})

Copies @var{length} bytes from memory region @var{in} to region
@var{out}.  The use of @code{bcopy} is deprecated in new programs.

@end deftypefn

*/

void
bcopy (src, dest, len)
  register char *src, *dest;
  int len;
{
  if (dest < src)
    while (len--)
      *dest++ = *src++;
  else
    {
      char *lasts = src + (len-1);
      char *lastd = dest + (len-1);
      while (len--)
        *(char *)lastd-- = *(char *)lasts--;
    }
}