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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.
35 lines
638 B
C
35 lines
638 B
C
/* strncmp -- compare two strings, stop after n bytes.
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This function is in the public domain. */
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/*
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@deftypefn Supplemental int strncmp (const char *@var{s1}, @
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const char *@var{s2}, size_t @var{n})
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Compares the first @var{n} bytes of two strings, returning a value as
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@code{strcmp}.
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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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int
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strncmp(const char *s1, const char *s2, register size_t n)
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{
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register unsigned char u1, u2;
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while (n-- > 0)
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{
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u1 = (unsigned char) *s1++;
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u2 = (unsigned char) *s2++;
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if (u1 != u2)
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return u1 - u2;
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if (u1 == '\0')
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return 0;
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}
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return 0;
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}
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