int sock_write(int sockfd, const char *buf, size_t count);
int sock_gets( int sockfd, char *str, size_t count );
int sock_puts(int sockfd, const char *str);
int sock_write(int sockfd, const char *buf, size_t count);
int sock_gets( int sockfd, char *str, size_t count );
int sock_puts(int sockfd, const char *str);