fp

Algorithms for Image Processing and Computer Vision Source Code

@c ----------------------------------------------------------------------
@node fpathconf, file system
@heading @code{fpathconf}
@subheading Syntax

@example
#include <unistd.h>

long fpathconf(int fd, int name);
@end example

@subheading Description

Returns configuration information on the filesystem that the
open file resides on.  @xref{pathconf}

@subheading Return Value

The configuration value.

@c ----------------------------------------------------------------------
@node fprintf, stdio
@heading @code{fprintf}
@subheading Syntax

@example
#include <stdio.h>

int fprintf(FILE *file, const char *format, @dots{});
@end example

@subheading Description

Prints formatted output to the named file.  @xref{printf}

@subheading Return Value

The number of characters written.

@c ----------------------------------------------------------------------
@node fpurge, stdio
@heading @code{fpurge}
@subheading Syntax

@example
#include <stdio.h>

int fpurge(FILE *file);
@end example

@subheading Description

This function purges the buffer for @var{file} without writing it to
disk. 

@subheading Return Value

Zero on success, -1 on failure.

@c ----------------------------------------------------------------------
@node fputc, stdio
@heading @code{fputc}
@subheading Syntax

@example
#include <stdio.h>

int fputc(int character, FILE *file);
@end example

@subheading Description

This function writes the given @var{character} to the given @code{file}.

@subheading Return Value

The given character [0..255] or @code{EOF}.

@subheading Example

@example
fputc('\n', stdout);
@end example

@c ----------------------------------------------------------------------
@node fputs, stdio
@heading @code{fputs}
@subheading Syntax

@example
#include <stdio.h>

int fputs(const char *string, FILE *file);
@end example

@subheading Description

This function all the characters of @var{string} (except the trailing
@code{NULL}) to the given @var{file}.

@subheading Return Value

A nonnegative number on success, @code{EOF} on error.

@subheading Example

@example
fputs("Hello\n", stdout);
@end example