...ibrary ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int bind(int sockfd , const struct sockaddr * addr , socklen_t addrlen ); DESCRIPTION When a socket is created with socket…...) > (y) ? (x) : (y)) static int listen_socket(int listen_port) { int lfd; int yes; struct sockaddr_in addr; lfd = socket(AF_INET, SOCK_STREAM, 0); if (lfd == -1) { perror("socke…...C library ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int accept(int sockfd , struct sockaddr *_Nullable restrict addr , socklen_t *_Nullable restrict addrlen ); #define _GN…...C library ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int accept(int sockfd , struct sockaddr *_Nullable restrict addr , socklen_t *_Nullable restrict addrlen ); #define _GN…...void) { int retval; int sockfd; struct iovec msg1[2], msg2; struct mmsghdr msg[2]; struct sockaddr_in addr; sockfd = socket(AF_INET, SOCK_DGRAM, 0); if (sockfd == -1) { perror("…...ary ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int connect(int sockfd , const struct sockaddr * addr , socklen_t addrlen ); DESCRIPTION The connect () system call connects …...brary ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int getsockname(int sockfd , struct sockaddr *restrict addr , socklen_t *restrict addrlen ); DESCRIPTION getsockname () ret…...ssize_t recvfrom(int sockfd , void buf [restrict . len ], size_t len , int flags , struct sockaddr *_Nullable restrict src_addr , socklen_t *_Nullable restrict addrlen ); ssize_…...ssize_t recvfrom(int sockfd , void buf [restrict . len ], size_t len , int flags , struct sockaddr *_Nullable restrict src_addr , socklen_t *_Nullable restrict addrlen ); ssize_…...ssize_t recvfrom(int sockfd , void buf [restrict . len ], size_t len , int flags , struct sockaddr *_Nullable restrict src_addr , socklen_t *_Nullable restrict addrlen ); ssize_…...1]; struct iovec iovecs[VLEN]; struct mmsghdr msgs[VLEN]; struct timespec timeout; struct sockaddr_in addr; sockfd = socket(AF_INET, SOCK_DGRAM, 0); if (sockfd == -1) { perror("…...brary ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int getpeername(int sockfd , struct sockaddr *restrict addr , socklen_t *restrict addrlen ); DESCRIPTION getpeername () ret…...size_t sendto(int sockfd , const void buf [. len ], size_t len , int flags , const struct sockaddr * dest_addr , socklen_t addrlen ); ssize_t sendmsg(int sockfd , const struct m…...size_t sendto(int sockfd , const void buf [. len ], size_t len , int flags , const struct sockaddr * dest_addr , socklen_t addrlen ); ssize_t sendmsg(int sockfd , const struct m…...size_t sendto(int sockfd , const void buf [. len ], size_t len , int flags , const struct sockaddr * dest_addr , socklen_t addrlen ); ssize_t sendmsg(int sockfd , const struct m…