C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
fprintf
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <stdio.h>
 
  Syntax:    int fprintf( FILE *stream, char *format [, argument]... );
 
  Returns:   the number of characters printed, or a negative number in
             case of an output error.
 
  See also:  printf, fscanf, _cprintf, sprintf
             printf Formatting Table  Escape Sequences
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