winsock的api有那些？怎么用？与WIN32 API有什么分别？

Question

Module Description: 'BSD Socket API for Windows'
    Name: SEND                         Entry:    19
    Name: GETPEERNAME                  Entry:     5
    Name: GETSERVBYPORT                Entry:    56
    Name: WSAASYNCGETPROTOBYNUMBER         Entry:   104
    Name: NTOHS                        Entry:    15
    Name: NTOHL                        Entry:    14
    Name: IOCTLSOCKET                  Entry:    12
    Name: SHUTDOWN                     Entry:    22
    Name: WSASETBLOCKINGHOOK           Entry:   109
    Name: INET_NTOA                    Entry:    11
    Name: BIND                         Entry:     2
    Name: INET_ADDR                    Entry:    10
    Name: WSASETLASTERROR              Entry:   112
    Name: WSAGETLASTERROR              Entry:   111
    Name: RECV                         Entry:    16
    Name: CLOSESOCKET                  Entry:     3
    Name: GETSERVBYNAME                Entry:    55
    Name: WSACANCELASYNCREQUEST         Entry:   108
    Name: WSAASYNCGETHOSTBYADDR         Entry:   102
    Name: WSAASYNCSELECT               Entry:   101
    Name: GETHOSTBYNAME                Entry:    52
    Name: GETHOSTNAME                  Entry:    57
    Name: WSASTARTUP                   Entry:   115
    Name: HTONS                        Entry:     9
    Name: HTONL                        Entry:     8
    Name: ACCEPT                       Entry:     1
    Name: WSACANCELBLOCKINGCALL         Entry:   113
    Name: RECVFROM                     Entry:    17
    Name: GETPROTOBYNUMBER             Entry:    54
    Name: WSAASYNCGETPROTOBYNAME         Entry:   105
    Name: WSACLEANUP                   Entry:   116
    Name: WSAASYNCGETSERVBYPORT         Entry:   106
    Name: WSAISBLOCKING                Entry:   114
    Name: GETSOCKNAME                  Entry:     6
    Name: SETSOCKOPT                   Entry:    21
    Name: GETSOCKOPT                   Entry:     7
    Name: CONNECT                      Entry:     4
    Name: WSAASYNCGETHOSTBYNAME         Entry:   103
    Name: SOCKET                       Entry:    23
    Name: LISTEN                       Entry:    13
    Name: SELECT                       Entry:    18
    Name: WSAUNHOOKBLOCKINGHOOK         Entry:   110
    Name: SENDTO                       Entry:    20
    Name: GETHOSTBYADDR                Entry:    51
    Name: WSAASYNCGETSERVBYNAME         Entry:   107
    Name: __WSAFDISSET                 Entry:   151
    Name: GETPROTOBYNAME               Entry:    53================================================================曾经有一碗热辣辣的烧猪手面放在我面前，我没有珍惜，等到晾凉了之后才后悔莫