pipe stream to or from a process NAME popen, pclose - pipe stream to or from a process LIBRARY...pipe stream to or from a process NAME popen, pclose - pipe stream to or from a process LIBRARY...make a FIFO special file (a named pipe) NAME mkfifo, mkfifoat - make a FIFO special file (a named pipe) LIBRARY Standard C libra...make a FIFO special file (a named pipe) NAME mkfifo, mkfifoat - make a FIFO special file (a named pipe) LIBRARY Standard C libra......or fd is the current working directory. The corresponding macro is _POSIX_PATH_MAX . _PC_PIPE_BUF The maximum number of bytes that can be written atomically to a pipe of FIFO. F…...or fd is the current working directory. The corresponding macro is _POSIX_PATH_MAX . _PC_PIPE_BUF The maximum number of bytes that can be written atomically to a pipe of FIFO. F…...pported by the kernel. NOTES Applications can use an eventfd file descriptor instead of a pipe (see pipe (2)) in all cases where a pipe is used simply to signal events. The kern…...pported by the kernel. NOTES Applications can use an eventfd file descriptor instead of a pipe (see pipe (2)) in all cases where a pipe is used simply to signal events. The kern…...he operation of select () and pselect () is not affected by the O_NONBLOCK flag. The self-pipe trick On systems that lack pselect (), reliable (and more portable) signal trappin…...he operation of select () and pselect () is not affected by the O_NONBLOCK flag. The self-pipe trick On systems that lack pselect (), reliable (and more portable) signal trappin…...he operation of select () and pselect () is not affected by the O_NONBLOCK flag. The self-pipe trick On systems that lack pselect (), reliable (and more portable) signal trappin…...he operation of select () and pselect () is not affected by the O_NONBLOCK flag. The self-pipe trick On systems that lack pselect (), reliable (and more portable) signal trappin…...ot SEEK_SET , SEEK_END , or SEEK_CUR . Or: the resulting file offset would be negative. ESPIPE The file descriptor underlying stream is not seekable (e.g., it refers to a pipe, …...ot SEEK_SET , SEEK_END , or SEEK_CUR . Or: the resulting file offset would be negative. ESPIPE The file descriptor underlying stream is not seekable (e.g., it refers to a pipe, …...ot SEEK_SET , SEEK_END , or SEEK_CUR . Or: the resulting file offset would be negative. ESPIPE The file descriptor underlying stream is not seekable (e.g., it refers to a pipe, …...ot SEEK_SET , SEEK_END , or SEEK_CUR . Or: the resulting file offset would be negative. ESPIPE The file descriptor underlying stream is not seekable (e.g., it refers to a pipe, …...ot SEEK_SET , SEEK_END , or SEEK_CUR . Or: the resulting file offset would be negative. ESPIPE The file descriptor underlying stream is not seekable (e.g., it refers to a pipe, …...ed by C libraries that don't perform the emulation shown in CAVEATS, such as musl libc. ESPIPE fd refers to a pipe. ATTRIBUTES For an explanation of the terms used in this secti…...PERM Operation not permitted (POSIX.1-2001). EPFNOSUPPORT Protocol family not supported. EPIPE Broken pipe (POSIX.1-2001). EPROTO Protocol error (POSIX.1-2001). EPROTONOSUPPORT …...e. DT_CHR This is a character device. DT_DIR This is a directory. DT_FIFO This is a named pipe (FIFO). DT_LNK This is a symbolic link. DT_REG This is a regular file. DT_SOCK Thi…