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-.\" Copyright (c) 1990, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" This code is derived from software contributed to Berkeley by
-.\" Chris Torek and the American National Standards Committee X3,
-.\" on Information Processing Systems.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\"     @(#)getc.3	8.1 (Berkeley) 6/4/93
-.\" $FreeBSD$
-.\"
-.Dd January 10, 2003
-.Dt GETC 3
-.Os
-.Sh NAME
-.Nm fgetc ,
-.Nm getc ,
-.Nm getc_unlocked ,
-.Nm getchar ,
-.Nm getchar_unlocked ,
-.Nm getw
-.Nd get next character or word from input stream
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In stdio.h
-.Ft int
-.Fn fgetc "FILE *stream"
-.Ft int
-.Fn getc "FILE *stream"
-.Ft int
-.Fn getc_unlocked "FILE *stream"
-.Ft int
-.Fn getchar void
-.Ft int
-.Fn getchar_unlocked void
-.Ft int
-.Fn getw "FILE *stream"
-.Sh DESCRIPTION
-The
-.Fn fgetc
-function
-obtains the next input character (if present) from the stream pointed at by
-.Fa stream ,
-or the next character pushed back on the stream via
-.Xr ungetc 3 .
-.Pp
-The
-.Fn getc
-function
-acts essentially identically to
-.Fn fgetc ,
-but is a macro that expands in-line.
-.Pp
-The
-.Fn getchar
-function
-is equivalent to
-.Fn getc stdin .
-.Pp
-The
-.Fn getw
-function
-obtains the next
-.Vt int
-(if present)
-from the stream pointed at by
-.Fa stream .
-.Pp
-The
-.Fn getc_unlocked
-and
-.Fn getchar_unlocked
-functions are equivalent to
-.Fn getc
-and
-.Fn getchar
-respectively,
-except that the caller is responsible for locking the stream
-with
-.Xr flockfile 3
-before calling them.
-These functions may be used to avoid the overhead of locking the stream
-for each character, and to avoid input being dispersed among multiple
-threads reading from the same stream.
-.Sh RETURN VALUES
-If successful, these routines return the next requested object
-from the
-.Fa stream .
-Character values are returned as an
-.Vt "unsigned char"
-converted to an
-.Vt int .
-If the stream is at end-of-file or a read error occurs,
-the routines return
-.Dv EOF .
-The routines
-.Xr feof 3
-and
-.Xr ferror 3
-must be used to distinguish between end-of-file and error.
-If an error occurs, the global variable
-.Va errno
-is set to indicate the error.
-The end-of-file condition is remembered, even on a terminal, and all
-subsequent attempts to read will return
-.Dv EOF
-until the condition is cleared with
-.Xr clearerr 3 .
-.Sh SEE ALSO
-.Xr ferror 3 ,
-.Xr flockfile 3 ,
-.Xr fopen 3 ,
-.Xr fread 3 ,
-.Xr getwc 3 ,
-.Xr putc 3 ,
-.Xr ungetc 3
-.Sh STANDARDS
-The
-.Fn fgetc ,
-.Fn getc ,
-and
-.Fn getchar
-functions
-conform to
-.St -isoC .
-The
-.Fn getc_unlocked
-and
-.Fn getchar_unlocked
-functions conform to
-.St -p1003.1-2001 .
-.Sh BUGS
-Since
-.Dv EOF
-is a valid integer value,
-.Xr feof 3
-and
-.Xr ferror 3
-must be used to check for failure after calling
-.Fn getw .
-The size and byte order of an
-.Vt int
-varies from one machine to another, and
-.Fn getw
-is not recommended for portable applications.