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Functions |
void * | memcpy (void *to, const void *from, size_t n) |
void * | memset (void *dest, unsigned char val, size_t count) |
int | strlen (const char *str) |
int | strcmp (const char *s1, const char *s2) |
int | strncmp (const char *s1, const char *s2, size_t size) |
Function Documentation
Definition at line 20 of file memcpy.c.
{
#ifdef __i386__
int d0;
int d1;
int d2;
__asm__ __volatile__(
"rep ; movsl\n\t"
"testb $2,%b4\n\t"
"je 1f\n\t"
"movsw\n"
"1:\ttestb $1,%b4\n\t"
"je 2f\n\t"
"movsb\n"
"2:"
: "=&c" (d0), "=&D" (d1), "=&S" (d2)
:"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
: "memory");
#else
char *cto = (char *)to;
const char *cfrom = (const char *)from;
for (; n > 0; n--)
{
*cto++ = *cfrom++;
}
#endif
return (to);
}
void* memset |
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void * |
dest, |
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unsigned char |
val, |
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size_t |
count |
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) |
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int strcmp |
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const char * |
s1, |
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const char * |
s2 |
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) |
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int strlen |
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const char * |
str | ) |
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