convert a pathname and a project identifier to a System V IPC key NAME ftok - convert a pathname and a project identifier to a System V IPC key LIBRARY Standard C library ( libc , …get or set the unique identifier of the current host NAME gethostid, sethostid - get or set the unique identifier of the current host LIBRARY Standard C library ( libc , -lc ) SYNO…get or set the unique identifier of the current host NAME gethostid, sethostid - get or set the unique identifier of the current host LIBRARY Standard C library ( libc , -lc ) SYNO…manage a device number NAME makedev, major, minor - manage a device number LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int …manage a device number NAME makedev, major, minor - manage a device number LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int …manage a device number NAME makedev, major, minor - manage a device number LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int …manage a device number NAME makedev, major, minor - manage a device number LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int …manage a device number NAME makedev, major, minor - manage a device number LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int …manage a device number NAME makedev, major, minor - manage a device number LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int …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…get username NAME getlogin, getlogin_r, cuserid - get username LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> char *getlogin(void); int getlogin_r(char buf …get username NAME getlogin, getlogin_r, cuserid - get username LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> char *getlogin(void); int getlogin_r(char buf …get username NAME getlogin, getlogin_r, cuserid - get username LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> char *getlogin(void); int getlogin_r(char buf …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…retrieve a value from the auxiliary vector NAME getauxval - retrieve a value from the auxiliary vector LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/auxv.h> unsi…obtain ID of the calling thread NAME pthread_self - obtain ID of the calling thread LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <pthread.h> pthread_t…execute program specified via file descriptor NAME fexecve - execute program specified via file descriptor LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> in…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…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.…