initialize and open a named semaphore NAME sem_open - initialize and open a named semaphore LIBRARY POSIX threads library ( libpthread , -lpt...create/open or unlink POSIX shared memory objects NAME shm_open, shm_unlink - create/open or unlink POSIX shared memory objects LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS …create/open or unlink POSIX shared memory objects NAME shm_open, shm_unlink - create/open or unlink POSIX shared memory objects LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS …open a pseudoterminal device NAME posix_openpt - open a pseudoterminal device LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdlib.h> #include <fcntl.h> int posix_op…open a new pseudoterminal master NAME getpt - open a new pseudoterminal master LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) …send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…...tomatically closed on process termination, or upon execve (2). SEE ALSO sem_getvalue (3), sem_open (3), sem_post (3), sem_unlink (3), sem_wait (3), sem_overview (7)...d safety MT-Safe STANDARDS POSIX.1-2008. HISTORY POSIX.1-2001. SEE ALSO sem_getvalue (3), sem_open (3), sem_post (3), sem_wait (3), sem_overview (7)open a directory NAME opendir, fdopendir - open a directory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <dirent.h> DIR *opendir(const char * …open a directory NAME opendir, fdopendir - open a directory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <dirent.h> DIR *opendir(const char * …initialize an unnamed semaphore NAME sem_init - initialize an unnamed semaphore LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <semaphore.h> int sem_ini…unlock a semaphore NAME sem_post - unlock a semaphore LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <semaphore.h> int sem_post(sem_t * sem ); DESCRIPTI…terminal utility functions NAME openpty, login_tty, forkpty - terminal utility functions LIBRARY System utilities library ( libutil , -lutil ) SYNOPSIS #include <pty.h> int openpty…terminal utility functions NAME openpty, login_tty, forkpty - terminal utility functions LIBRARY System utilities library ( libutil , -lutil ) SYNOPSIS #include <pty.h> int openpty…terminal utility functions NAME openpty, login_tty, forkpty - terminal utility functions LIBRARY System utilities library ( libutil , -lutil ) SYNOPSIS #include <pty.h> int openpty…database access methods NAME dbopen - database access methods LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <limits.h> #include <db.h> #include…database access methods NAME dbopen - database access methods LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <limits.h> #include <db.h> #include…