...include <sys/socket.h> int accept(int sockfd , struct sockaddr *_Nullable restrict addr , socklen_t *_Nullable restrict addrlen ); #define _GNU_SOURCE /* See feature_test_macros…...include <sys/socket.h> int accept(int sockfd , struct sockaddr *_Nullable restrict addr , socklen_t *_Nullable restrict addrlen ); #define _GNU_SOURCE /* See feature_test_macros…...int getsockopt(int sockfd , int level , int optname , void optval [restrict *. optlen ], socklen_t *restrict optlen ); int setsockopt(int sockfd , int level , int optname , cons…...int getsockopt(int sockfd , int level , int optname , void optval [restrict *. optlen ], socklen_t *restrict optlen ); int setsockopt(int sockfd , int level , int optname , cons…...restrict . len ], size_t len , int flags , struct sockaddr *_Nullable restrict src_addr , socklen_t *_Nullable restrict addrlen ); ssize_t recvmsg(int sockfd , struct msghdr * m…...restrict . len ], size_t len , int flags , struct sockaddr *_Nullable restrict src_addr , socklen_t *_Nullable restrict addrlen ); ssize_t recvmsg(int sockfd , struct msghdr * m…...restrict . len ], size_t len , int flags , struct sockaddr *_Nullable restrict src_addr , socklen_t *_Nullable restrict addrlen ); ssize_t recvmsg(int sockfd , struct msghdr * m…...c ) SYNOPSIS #include <sys/socket.h> int bind(int sockfd , const struct sockaddr * addr , socklen_t addrlen ); DESCRIPTION When a socket is created with socket (2), it exists in…...d , const void buf [. len ], size_t len , int flags , const struct sockaddr * dest_addr , socklen_t addrlen ); ssize_t sendmsg(int sockfd , const struct msghdr * msg , int flags…...d , const void buf [. len ], size_t len , int flags , const struct sockaddr * dest_addr , socklen_t addrlen ); ssize_t sendmsg(int sockfd , const struct msghdr * msg , int flags…...d , const void buf [. len ], size_t len , int flags , const struct sockaddr * dest_addr , socklen_t addrlen ); ssize_t sendmsg(int sockfd , const struct msghdr * msg , int flags…...SIS #include <sys/socket.h> int getsockname(int sockfd , struct sockaddr *restrict addr , socklen_t *restrict addrlen ); DESCRIPTION getsockname () returns the current address t…...SIS #include <sys/socket.h> int getpeername(int sockfd , struct sockaddr *restrict addr , socklen_t *restrict addrlen ); DESCRIPTION getpeername () returns the address of the pe…...SYNOPSIS #include <sys/socket.h> int connect(int sockfd , const struct sockaddr * addr , socklen_t addrlen ); DESCRIPTION The connect () system call connects the socket referred…create an anonymous RAM-based file to access secret memory regions NAME memfd_secret - create an anonymous RAM-based file to access secret memory regions LIBRARY Standard C library…indirect system call NAME syscall - indirect system call LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/syscall.h> /* Definition of SYS_* constants */ #include <u…enable or disable kernel management of Memory Protection eXtensions (MPX) NAME PR_MPX_ENABLE_MANAGEMENT, PR_MPX_DISABLE_MANAGEMENT - enable or disable kernel management of Memory P…...if (ready == -1) { perror("select()"); exit(EXIT_FAILURE); } if (FD_ISSET(h, &readfds)) { socklen_t addrlen; struct sockaddr_in client_addr; int fd; addrlen = sizeof(client_addr…give advice about use of memory NAME madvise - give advice about use of memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> int madvise(void addr [. len…close all file descriptors in a given range NAME close_range - close all file descriptors in a given range LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /*…