2.9BSD - /usr/src/lib/c/gen/strcpy.c

   1: /*	@(#)strcpy.c	2.1	SCCS id keyword	*/
   2: /*
   3:  * Copy string s2 to s1.  s1 must be large enough.
   4:  * return s1
   5:  */
   6: 
   7: char *
   8: strcpy(s1, s2)
   9: register char *s1, *s2;
  10: {
  11:     register char *os1;
  12: 
  13:     os1 = s1;
  14:     while (*s1++ = *s2++)
  15:         ;
  16:     return(os1);
  17: }

Defined functions