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31 lines
551 B
C
31 lines
551 B
C
/* Portable version of strrchr().
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This function is in the public domain. */
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/*
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@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
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Returns a pointer to the last occurrence of the character @var{c} in
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the string @var{s}, or NULL if not found. If @var{c} is itself the
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null character, the results are undefined.
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@end deftypefn
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*/
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#include <ansidecl.h>
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char *
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strrchr (s, c)
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register const char *s;
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int c;
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{
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char *rtnval = 0;
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do {
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if (*s == c)
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rtnval = (char*) s;
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} while (*s++);
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return (rtnval);
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}
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