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RocketLink!--> Man page versions:
OpenBSD
FreeBSD
Others
[ANSI C X3.159-1989]
PUTC(3) OpenBSD Programmer's Manual PUTC(3)
NAME
fputc, putc, putchar, putw - output a character or word to a stream
SYNOPSIS
#include <stdio.h>
int
fputc(int c, FILE *stream);
int
putc(int c, FILE *stream);
int
putchar(int c);
int
putw(int w, FILE *stream);
DESCRIPTION
The fputc() function writes the character c (converted to an ``unsigned
char'') to the output stream pointed to by stream.
putc() acts essentially identically to fputc(), but is a macro that ex-
pands in-line. It may evaluate stream more than once, so arguments given
to putc() should not be expressions with potential side effects.
putchar() is identical to putc() with an output stream of stdout.
The putw() function writes the specified int to the named output stream.
RETURN VALUES
The functions, fputc(), putc() and putchar() return the character writ-
ten. If an error occurs, the value EOF is returned. The putw() function
returns 0 on success; EOF is returned if a write error occurs, or if an
attempt is made to write a read-only stream.
SEE ALSO
ferror(3), fopen(3), getc(3), stdio(3)
STANDARDS
The functions fputc(), putc(), and putchar(), conform to ANSI X3.159-1989
(``ANSI C''). A function putw() function appeared in Version 6 AT&T UNIX.
BUGS
The size and byte order of an int varies from one machine to another, and
putw() is not recommended for portable applications.
OpenBSD 2.6 June 4, 1993 1
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts Institute of Technology, Free Software Foundation, FreeBSD Inc., and others. |
(Corrections, notes, and links courtesy of RocketAware.com)
FreeBSD Sources for putc(3) functions OpenBSD sources for putc(3)
Up to: Stdio Stream file operations - Buffered access of files and devices. fopen, fputc, fgetc, et al.
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[ANSI C X3.159-1989]
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