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d4d868a280
libiberty/: * splay-tree.c: Escape wrapping newlines in texinfo markup with '@', to fix function declaration output rendering. * gather-docs: Relax and improve macro name matching to actually match all current names and to allow input line wrapping. * bsearch.c, concat.c, crc32.c, fnmatch.txh, fopen_unlocked.c, hashtab.c, insque.c, make-relative-prefix.c, memchr.c, memcmp.c, memcpy.c, memmem.c, memmove.c, mempcpy.c, memset.c, pexecute.txh, random.c, setenv.c, setproctitle.c, simple-object.txh, snprintf.c, stpncpy.c, strncmp.c, strtod.c, strtol.c, vasprintf.c, vprintf.c, vsnprintf.c, xmemdup.c: Wrap long texinfo input lines. * functions.texi: Regenerate.
34 lines
815 B
C
34 lines
815 B
C
/*
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@deftypefn Supplemental void* memchr (const void *@var{s}, int @var{c}, @
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size_t @var{n})
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This function searches memory starting at @code{*@var{s}} for the
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character @var{c}. The search only ends with the first occurrence of
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@var{c}, or after @var{length} characters; in particular, a null
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character does not terminate the search. If the character @var{c} is
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found within @var{length} characters of @code{*@var{s}}, a pointer
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to the character is returned. If @var{c} is not found, then @code{NULL} is
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returned.
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@end deftypefn
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*/
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#include <ansidecl.h>
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#include <stddef.h>
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PTR
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memchr (register const PTR src_void, int c, size_t length)
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{
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const unsigned char *src = (const unsigned char *)src_void;
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while (length-- > 0)
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{
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if (*src == c)
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return (PTR)src;
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src++;
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}
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return NULL;
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}
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