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RINDEX.C
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1986-05-18
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768b
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27 lines
/* 1.0 07-06-84 */
/************************************************************************
* Robert C. Tausworthe *
* Jet Propulsion Laboratory *
* Pasadena, CA 91009 1984 *
************************************************************************/
#include "defs.h"
#include "stdtyp.h"
/************************************************************************/
STRING
rindex(s, c) /* return pointer to last occurrence of char c in string
s, or NULL otherwise. */
/*----------------------------------------------------------------------*/
STRING s;
char c;
{
STRING p;
for (p = s; *s ; s++)
;
while (c ISNT *s AND s >= p)
s--;
return (s < p ? NULL : s);
}