C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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scanf
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <stdio.h>
 
  Syntax:    int scanf( char *format [, argument]... );
 
  Returns:   the number of fields converted and assigned if successful
             (0 if no fields were assigned), or EOF for an attempt to
             read end-of-file.
 
  See also:  printf, fscanf, sscanf
             Format Specifiers  Non-Format Characters  Input Fields
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