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Annotation of 43BSD/lib/libc/compat-sys5/strcpyn.c, revision 1.1.1.1

1.1       root        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[] = "@(#)strcpyn.c  4.3 (Berkeley) 3/9/86";
                      9: #endif LIBC_SCCS and not lint
                     10: 
                     11: /*
                     12:  * Copy s2 to s1, truncating or null-padding to always copy n bytes
                     13:  * return s1
                     14:  */
                     15: 
                     16: char *
                     17: strcpyn(s1, s2, n)
                     18: register char *s1, *s2;
                     19: {
                     20:        register i;
                     21:        register char *os1;
                     22: 
                     23:        os1 = s1;
                     24:        for (i = 0; i < n; i++)
                     25:                if ((*s1++ = *s2++) == '\0') {
                     26:                        while (++i < n)
                     27:                                *s1++ = '\0';
                     28:                        return(os1);
                     29:                }
                     30:        return(os1);
                     31: }

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