4.3BSD - /usr/src/lib/libc/compat-sys5/strcatn.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #if defined(LIBC_SCCS) && !defined(lint)
   8: static char sccsid[] = "@(#)strcatn.c	4.3 (Berkeley) 3/9/86";
   9: #endif LIBC_SCCS and not lint
  10: 
  11: /*
  12:  * Concatenate s2 on the end of s1.  S1's space must be large enough.
  13:  * At most n characters are moved.
  14:  * Return s1.
  15:  */
  16: 
  17: char *
  18: strcatn(s1, s2, n)
  19: register char *s1, *s2;
  20: register n;
  21: {
  22:     register char *os1;
  23: 
  24:     os1 = s1;
  25:     while (*s1++)
  26:         ;
  27:     --s1;
  28:     while (*s1++ = *s2++)
  29:         if (--n < 0) {
  30:             *--s1 = '\0';
  31:             break;
  32:         }
  33:     return(os1);
  34: }

Defined functions

Defined variables