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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libiberty/] [strncmp.c] - Rev 450
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/* strncmp -- compare two strings, stop after n bytes. This function is in the public domain. */ /* @deftypefn Supplemental int strncmp (const char *@var{s1}, const char *@var{s2}, size_t @var{n}) Compares the first @var{n} bytes of two strings, returning a value as @code{strcmp}. @end deftypefn */ #include <ansidecl.h> #include <stddef.h> int strncmp(const char *s1, const char *s2, register size_t n) { register unsigned char u1, u2; while (n-- > 0) { u1 = (unsigned char) *s1++; u2 = (unsigned char) *s2++; if (u1 != u2) return u1 - u2; if (u1 == '\0') return 0; } return 0; }
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