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…record number database access method NAME recno - record number database access method LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <db.h> DES…hash database access method NAME hash - hash database access method LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <db.h> DESCRIPTION Note well …btree database access method NAME btree - btree database access method LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <db.h> DESCRIPTION Note we…API to access system level information in the /proc filesystem NAME procps - API to access system level information in the /proc filesystem SYNOPSIS Five distinct interfaces are re…API to access process information in the /proc filesystem NAME procps_pids - API to access process information in the /proc filesystem SYNOPSIS #include <libproc2/pids.h> int procp…check effective user's permissions for a file NAME euidaccess, eaccess - check effective user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _G…check effective user's permissions for a file NAME euidaccess, eaccess - check effective user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _G…give advice about patterns of memory usage NAME posix_madvise - give advice about patterns of memory usage LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> …initialize the supplementary group access list NAME initgroups - initialize the supplementary group access list LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/typ…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 …change file timestamps NAME futimes, lutimes - change file timestamps LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/time.h> int futimes(int fd , const struct tim…change file timestamps NAME futimes, lutimes - change file timestamps LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/time.h> int futimes(int fd , const struct tim…grant access to the slave pseudoterminal NAME grantpt - grant access to the slave pseudoterminal LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _XOPEN_SOURCE #include <…initialize an unnamed semaphore NAME sem_init - initialize an unnamed semaphore LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <semaphore.h> int sem_ini…get filesystem statistics NAME statvfs, fstatvfs - get filesystem statistics LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/statvfs.h> int statvfs(const char *res…get filesystem statistics NAME statvfs, fstatvfs - get filesystem statistics LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/statvfs.h> int statvfs(const char *res…change file timestamps with nanosecond precision NAME utimensat, futimens - change file timestamps with nanosecond precision LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #inc…