number of last error NAME errno - number of last error LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <errno.h> DESCRIPTION The <errno.h> header file defines the integ…pipe stream to or from a process NAME popen, pclose - pipe stream to or from a process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdio.h> FILE *popen(const char …pipe stream to or from a process NAME popen, pclose - pipe stream to or from a process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdio.h> FILE *popen(const char …get configuration values for files NAME fpathconf, pathconf - get configuration values for files LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> long fpathco…get configuration values for files NAME fpathconf, pathconf - get configuration values for files LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> long fpathco…create a file descriptor for event notification NAME eventfd - create a file descriptor for event notification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/even…create a file descriptor for event notification NAME eventfd - create a file descriptor for event notification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/even…make a FIFO special file (a named pipe) NAME mkfifo, mkfifoat - make a FIFO special file (a named pipe) LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #i…make a FIFO special file (a named pipe) NAME mkfifo, mkfifoat - make a FIFO special file (a named pipe) LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #i…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…get session ID NAME tcgetsid - get session ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _XOPEN_SOURCE 500 /* See feature_test_macros(7) */ #include <termios.h> pid…mappings between network interface names and indexes NAME if_nametoindex, if_indextoname - mappings between network interface names and indexes LIBRARY Standard C library ( libc , …mappings between network interface names and indexes NAME if_nametoindex, if_indextoname - mappings between network interface names and indexes LIBRARY Standard C library ( libc , …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 <…determine whether socket is at out-of-band mark NAME sockatmark - determine whether socket is at out-of-band mark LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/s…get network interface names and indexes NAME if_nameindex, if_freenameindex - get network interface names and indexes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <n…get network interface names and indexes NAME if_nameindex, if_freenameindex - get network interface names and indexes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <n…