106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
#pragma once
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#include <_cheader.h>
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#include <stdint.h>
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#include <sys/types.h>
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_Begin_C_Header
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#define AF_INET 1
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#define AF_UNSPEC 0
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#define SOCK_STREAM 1
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#define SOCK_DGRAM 2
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#define IPPROTO_TCP 6
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#define IPPROTO_UDP 17
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#define SOL_SOCKET 0
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#define SO_KEEPALIVE 1
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struct hostent {
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char *h_name; /* official name of host */
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char **h_aliases; /* alias list */
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int h_addrtype; /* host address type */
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int h_length; /* length of address */
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char **h_addr_list; /* list of addresses */
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};
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extern struct hostent * gethostbyname(const char * name);
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typedef size_t socklen_t;
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struct sockaddr {
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unsigned short sa_family; // address family, AF_xxx
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char sa_data[14]; // 14 bytes of protocol address
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};
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struct in_addr {
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unsigned long s_addr; // load with inet_pton()
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};
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struct sockaddr_in {
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short sin_family; // e.g. AF_INET, AF_INET6
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unsigned short sin_port; // e.g. htons(3490)
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struct in_addr sin_addr; // see struct in_addr, below
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char sin_zero[8]; // zero this if you want to
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};
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struct addrinfo {
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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socklen_t ai_addrlen;
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struct sockaddr *ai_addr;
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char *ai_canonname;
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struct addrinfo *ai_next;
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};
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struct iovec { /* Scatter/gather array items */
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void *iov_base; /* Starting address */
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size_t iov_len; /* Number of bytes to transfer */
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};
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struct msghdr {
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void *msg_name; /* optional address */
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socklen_t msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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size_t msg_iovlen; /* # elements in msg_iov */
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void *msg_control; /* ancillary data, see below */
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size_t msg_controllen; /* ancillary data buffer len */
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int msg_flags; /* flags on received message */
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};
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typedef uint32_t in_addr_t;
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typedef uint16_t in_port_t;
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extern ssize_t recv(int sockfd, void *buf, size_t len, int flags);
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extern ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen);
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extern ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags);
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ssize_t send(int sockfd, const void *buf, size_t len, int flags);
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ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen);
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ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags);
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extern int socket(int domain, int type, int protocol);
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extern uint32_t htonl(uint32_t hostlong);
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extern uint16_t htons(uint16_t hostshort);
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extern uint32_t ntohl(uint32_t netlong);
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extern uint16_t ntohs(uint16_t netshort);
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extern int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
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extern int accept(int sockfd, struct sockaddr * addr, socklen_t * addrlen);
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extern int listen(int sockfd, int backlog);
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extern int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
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extern int getpeername(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
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extern int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen);
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extern int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen);
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_End_C_Header
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