NAME    [Toc]    [Back]

     putc_unlocked, putchar_unlocked - put  next  character  from
stream, efficiently

SYNOPSIS    [Toc]    [Back]

     #include <stdio.h>

     int
     putc_unlocked(int c, FILE *stream);

     int
     putchar_unlocked(int c);

DESCRIPTION    [Toc]    [Back]

     The  putc_unlocked()  and  putchar_unlocked()  functions are
equivalent to
     their locked counterparts, putc(3) and putchar(3).  However,
     putc_unlocked() and putchar_unlocked() assume that the relevant stream
     has either been previous locked with flockfile(3),  or  that
it will not be
     accessed by any other thread.

RETURN VALUES    [Toc]    [Back]

     The   return   values  are  as  described  for  putc(3)  and
putchar(3).

SEE ALSO    [Toc]    [Back]

     putc(3), putchar(3)

STANDARDS    [Toc]    [Back]

     putc_unlocked() and putchar_unlocked()  conform  to  ISO/IEC
9945-1 ANSI/IEEE
 (``POSIX'') Std 1003.1 Second Edition 1996-07-12.

OpenBSD      3.6                          March      20,     1999