Strings on C related Questions and Answers

Question :   Which of the following is the right syntax to copy n characters from the object pointed to by s2 into the object pointed to by s1? 1. void *memcpy(void *s1,const void *s2,size_t n); 2. void *memcpy(void *s2, const void *s1, size_t n); 3. void memcpy(void *s1,const void *s2, size_t n); 4. void memcpy(void *s2,const void *s1,size_t n); Answer :   1 - void *memcpy(void *s1,const void *s2,size_t n);