memcpy.c - scc - simple c99 compiler
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       ---
       memcpy.c (190B)
       ---
            1 #include <string.h>
            2 
            3 #undef memcpy
            4 
            5 void *
            6 memcpy(void *restrict s1, const void *restrict s2, size_t n)
            7 {
            8         char *d = s1;
            9         const char *s = s2;
           10 
           11         while (n-- > 0)
           12                 *d++ = *s++;
           13 
           14         return s1;
           15 }