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Get a character from stdin
#include <stdio.h>
int getchar_unlocked( void );
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The getchar_unlocked() function is a thread-unsafe version of
getchar().
You can use it safely only when the invoking
thread has locked stdin using
flockfile() (or
ftrylockfile()) and
funlockfile().
The next character from the input stream pointed to by stdin,
cast as (int)(unsigned char), or
EOF if an end-of-file or error condition occurs
(errno is set).
|
Use
feof()
or
ferror()
to distinguish an end-of-file condition from an error. |
POSIX 1003.1 TSF
Safety: | |
Cancellation point |
Yes |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
feof(),
ferror(),
getc(),
getc_unlocked(),
getchar(),
putc(),
putc_unlocked(),
putchar(),
putchar_unlocked()
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