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