| 1 | /*
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| 2 |
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| 3 | @deftypefn Supplemental void* memchr (const void *@var{s}, int @var{c}, size_t @var{n})
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| 4 |
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| 5 | This function searches memory starting at @code{*@var{s}} for the
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| 6 | character @var{c}. The search only ends with the first occurrence of
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| 7 | @var{c}, or after @var{length} characters; in particular, a null
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| 8 | character does not terminate the search. If the character @var{c} is
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| 9 | found within @var{length} characters of @code{*@var{s}}, a pointer
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| 10 | to the character is returned. If @var{c} is not found, then @code{NULL} is
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| 11 | returned.
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| 12 |
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| 13 | @end deftypefn
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| 14 |
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| 15 | */
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| 16 |
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| 17 | #include <ansidecl.h>
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| 18 | #ifdef __STDC__
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| 19 | #include <stddef.h>
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| 20 | #else
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| 21 | #define size_t unsigned long
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| 22 | #endif
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| 23 |
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| 24 | PTR
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| 25 | memchr (src_void, c, length)
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| 26 | register const PTR src_void;
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| 27 | int c;
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| 28 | size_t length;
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