1extern void exit(int); 2extern void abort (void); 3 4extern void * memcpy (void *, const void *, __SIZE_TYPE__); 5int foo (void *, void *, unsigned int c); 6 7int src[10]; 8int dst[10]; 9 10int main() 11{ 12 if (foo (dst, src, 10) != 0) 13 abort(); 14 exit(0); 15} 16 17int foo (void *a, void *b, unsigned int c) 18{ 19 if (c == 0) 20 return 1; 21 22 memcpy (a, b, c); 23 return 0; 24} 25