C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
sprintf, _snprintf
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <stdio.h>
 
  Syntax:    int sprintf( char *buffer, char *format [, argument]... );
             int _snprintf( char *buffer, size_t count,
                            char *format [, argument]... );
 
  Returns:   the number of characters stored in <buffer>. For _snprintf,
             if <count> is exceeded, -1 is returned.
 
  See also:  sscanf, printf, _vsnprintf, vsprintf, fprintf, _cprintf
             printf Formatting Table
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