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RocketLink!--> Man page versions: OpenBSD FreeBSD Others

[ANSI C X3.159-1989]

PUTC(3)                   OpenBSD Programmer's Manual                  PUTC(3)

     fputc, putc, putchar, putw - output a character or word to a stream

     #include <stdio.h>

     fputc(int c, FILE *stream);

     putc(int c, FILE *stream);

     putchar(int c);

     putw(int w, FILE *stream);

     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.

     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.

     ferror(3),  fopen(3),  getc(3),  stdio(3)

     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.

     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)

[Detailed Topics]
FreeBSD Sources for putc(3) functions
OpenBSD sources for putc(3)

[Overview Topics]

Up to: Stdio Stream file operations - Buffered access of files and devices. fopen, fputc, fgetc, et al.

RocketLink!--> Man page versions: OpenBSD FreeBSD Others

[ANSI C X3.159-1989]

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