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1 /* Portable version of strrchr().
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2 This function is in the public domain. */
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3
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4 /*
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5
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6 @deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
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7
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8 Returns a pointer to the last occurrence of the character @var{c} in
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9 the string @var{s}, or @code{NULL} if not found. If @var{c} is itself the
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10 null character, the results are undefined.
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11
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12 @end deftypefn
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13
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14 */
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15
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16 #include <ansidecl.h>
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17
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18 char *
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19 strrchr (register const char *s, int c)
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20 {
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21 char *rtnval = 0;
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22
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23 do {
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24 if (*s == c)
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25 rtnval = (char*) s;
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26 } while (*s++);
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27 return (rtnval);
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28 }
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