void memset(void*dest, int c, size_t count );

   void memset(void*dest,    int c,    size_t count  );

Parameters

dest

Pointer to destination.

c

Character to set.

count

Number of characters.

Remarks

Sets the first count characters of dest to the character c.

Required hearder file
<string.h>

Examples

// crt_memset.c
/* This program uses memset to
 * set the first four chars of buffer to "*".
 */

#include <string.h>
#include <stdio.h>

int main( void )
{
   char buffer[] = "This is a test of the memset function";

   printf( "Before: %s\n", buffer );
   memset( buffer, '*', 4 );
   printf( "After:  %s\n", buffer );
}

Output
Before: This is a test of the memset function

After:  **** is a test of the memset function