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…perform a command on an extended BPF map or program NAME bpf - perform a command on an extended BPF map or program SYNOPSIS #include <linux/bpf.h> int bpf(int cmd , union bpf_attr …set file mode creation mask NAME umask - set file mode creation mask LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/stat.h> mode_t umask(mode_t mask ); DESCRIPTIO…Linux system calls NAME syscalls - Linux system calls SYNOPSIS Linux system calls. DESCRIPTION The system call is the fundamental interface between an application and the Linux ker…obtain a series of random bytes NAME getrandom - obtain a series of random bytes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/random.h> ssize_t getrandom(void b…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…receive multiple messages on a socket NAME recvmmsg - receive multiple messages on a socket LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /* See feature_te…synchronous I/O multiplexing NAME select, pselect - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS See select (2) DESCRIPTION The select () and pse…System V message queue operations NAME msgrcv, msgsnd - System V message queue operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/msg.h> int msgsnd(int msq…System V message queue operations NAME msgrcv, msgsnd - System V message queue operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/msg.h> int msgsnd(int msq…System V message queue operations NAME msgrcv, msgsnd - System V message queue operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/msg.h> int msgsnd(int msq…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…check user's permissions for a file NAME access, faccessat, faccessat2 - check user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> …check user's permissions for a file NAME access, faccessat, faccessat2 - check user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> …check user's permissions for a file NAME access, faccessat, faccessat2 - check user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> …open and possibly create a file NAME open, openat, creat - open and possibly create a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int open(const char…