Man page or keyword search:   man All Sections 1 - General Commands 2 - System Calls 3 - Subroutines, Functions 4 - Special Files 5 - File Formats 6 - Games and Screensavers 7 - Macros and Conventions 8 - Maintenence Commands 9 - Kernel Interface New Commands Server 4.4BSD AIX Alpinelinux Archlinux Aros BSDOS BSDi Bifrost CentOS Cygwin Darwin Debian DigitalUNIX DragonFly ElementaryOS Fedora FreeBSD Gentoo GhostBSD HP-UX Haiku Hurd IRIX Inferno JazzOS Kali Knoppix LinuxMint MacOSX Mageia Mandriva Manjaro Minix MirBSD NeXTSTEP NetBSD OPENSTEP OSF1 OpenBSD OpenDarwin OpenIndiana OpenMandriva OpenServer OpenSuSE OpenVMS Oracle PC-BSD Peanut Pidora Plan9 QNX Raspbian RedHat Scientific Slackware SmartOS Solaris SuSE SunOS Syllable Tru64 UNIXv7 Ubuntu Ultrix UnixWare Xenix YellowDog aLinux   10987 pages apropos Keyword Search (all sections) Output format html ascii pdf view pdf save postscript

ungetc(3S)							    ungetc(3S)

NAME
       ungetc()	 - push character back into input stream

SYNOPSIS
   Obsolescent Interface
DESCRIPTION
       inserts the character c (converted to an unsigned char) into the buffer
       associated with an input stream.	 That character, c, is returned by the
       next  call  to (see getc(3S)) on that stream.  A successful intervening
       call to a file positioning function with stream or erases all memory of
       the inserted characters.

       affects	only the buffer associated with the input stream.  It does not
       affect the contents of the file corresponding to stream.

       One character of pushback is guaranteed.

       If c equals EOF, does nothing to the buffer and returns EOF.

   Obsolescent Interface
       pushes character back into input stream.

APPLICATION USAGE
       After is applied to a stream, the  stream  becomes  byte-oriented  (see
       orientation(5)).

RETURN VALUE
       If successful, and return c and clear the end-of-file indicator for the
       stream.	and return EOF if they cannot insert the character.

WARNINGS
       is an obsolescent  interface  supported	only  for  compatibility  with
       existing DCE applications.  New multithreaded applications should use

SEE ALSO
       flockfile(3S),  fseek(3S),  fgetpos(3S), getc(3S), setbuf(3S), orienta‐
       tion(5), thread_safety(5).

STANDARDS CONFORMANCE
								    ungetc(3S)

Vote for polarhome