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Get the next character from a file
#include <stdio.h>
int getc_unlocked( FILE *fp );
- fp
- The stream you want to get the character from.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The getc_unlocked() function is a thread-unsafe version of
getc().
You can use it safely only when the invoking
thread has locked fp using
flockfile() (or
ftrylockfile()) and
funlockfile().
The next character from the input stream pointed to by fp, 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(),
flockfile(),
getc(),
getchar(),
getchar_unlocked(),
putc(),
putc_unlocked(),
putchar(),
putchar_unlocked()
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