memset

memset

Sets buffers to a specified character.

Routine	Required Header
memset	<memory.h> or <string.h>

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

Parameters

dest

Pointer to destination

c

Character to set

count

Number of characters

Libraries

All versions of the C run-time libraries.

Return Values

memset returns the value of dest.

Remarks

The memset function sets the first count bytes of dest to the character c.

Example

/* MEMSET.C: This program uses memset to
 * set the first four bytes of buffer to "*".
 */

#include <memory.h>
#include <stdio.h>

void 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