1 #include <sys/types.h> 2 #include <unistd.h> 3 #include <string.h> 4 5 void bcopy(void * f,void * t,size_t n)6bcopy(void *f, void *t, size_t n) 7 { 8 memmove(t, f, n); 9 } 10 11 int bcmp(void * a,void * b,size_t n)12bcmp(void *a, void *b, size_t n) 13 { 14 return memcmp(a, b, n); 15 } 16 17 void bzero(void * a,size_t n)18bzero(void *a, size_t n) 19 { 20 memset(a, 0, n); 21 } 22