4.3BSD - /usr/src/lib/libc/gen/strncpy.c

   1: #if defined(LIBC_SCCS) && !defined(lint)
   2: static char sccsid[] = "@(#)strncpy.c	5.2 (Berkeley) 3/9/86";
   3: #endif LIBC_SCCS and not lint
   4: 
   5: /*
   6:  * Copy s2 to s1, truncating or null-padding to always copy n bytes
   7:  * return s1
   8:  */
   9: 
  10: char *
  11: strncpy(s1, s2, n)
  12: register char *s1, *s2;
  13: {
  14:     register i;
  15:     register char *os1;
  16: 
  17:     os1 = s1;
  18:     for (i = 0; i < n; i++)
  19:         if ((*s1++ = *s2++) == '\0') {
  20:             while (++i < n)
  21:                 *s1++ = '\0';
  22:             return(os1);
  23:         }
  24:     return(os1);
  25: }

Defined functions

Defined variables