@node putc, stdio
@subheading Syntax

@example
#include <stdio.h>

int putc(int c, FILE *file);
@end example

@subheading Description

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

@subheading Return Value

The character written.

@subheading Portability

@portability ansi, posix

@subheading Example

@example
while ((c=getc(stdin)) != EOF)
  putc(c, stdout);
@end example