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67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/****************************************************************
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Copyright 1990 by AT&T, Lucent Technologies and Bellcore.
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the names of AT&T, Bell Laboratories,
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Lucent or Bellcore or any of their entities not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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AT&T, Lucent and Bellcore disclaim all warranties with regard to
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this software, including all implied warranties of
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merchantability and fitness. In no event shall AT&T, Lucent or
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Bellcore be liable for any special, indirect or consequential
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damages or any damages whatsoever resulting from loss of use,
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data or profits, whether in an action of contract, negligence or
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other tortious action, arising out of or in connection with the
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use or performance of this software.
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****************************************************************/
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/* This is for the benefit of people whose systems don't provide
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* memset, memcpy, and memcmp. If yours is such a system, adjust
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* the makefile by adding memset.o to the "OBJECTS =" assignment.
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* WARNING: the memcpy below is adequate for f2c, but is not a
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* general memcpy routine (which must correctly handle overlapping
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* fields).
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*/
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int
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memcmp(s1, s2, n)
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register char *s1, *s2;
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int n;
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{
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register char *se;
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for(se = s1 + n; s1 < se; s1++, s2++)
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if (*s1 != *s2)
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return *s1 - *s2;
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return 0;
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}
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char *
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memcpy(s1, s2, n)
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register char *s1, *s2;
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int n;
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{
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register char *s0 = s1, *se = s1 + n;
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while(s1 < se)
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*s1++ = *s2++;
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return s0;
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}
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memset(s, c, n)
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register char *s;
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register int c;
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int n;
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{
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register char *se = s + n;
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while(s < se)
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*s++ = c;
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}
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