1 /* memcmp -- compare two memory regions.
2 This function is in the public domain. */
6 memcmp -- compare two memory regions
9 int memcmp (const void *from, const void *to, size_t count)
12 Compare two memory regions and return less than,
13 equal to, or greater than zero, according to lexicographical
14 ordering of the compared regions.
21 #define size_t unsigned long
25 DEFUN(memcmp
, (str1
, str2
, count
),
26 const PTR str1 AND
const PTR str2 AND
size_t count
)
28 register const unsigned char *s1
= (const unsigned char*)str1
;
29 register const unsigned char *s2
= (const unsigned char*)str2
;
34 return s1
[-1] < s2
[-1] ? -1 : 1;
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