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memset

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< c‎ | string‎ | byte
Revision as of 11:27, 9 May 2014 by Newatthis (Talk | contribs)

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Defined in header <string.h>
void* memset( void* dest, int ch, size_t count );

Converts the value ch to unsigned char and copies it into each of the first count characters of the object pointed to by dest.

Contents

[edit] Parameters

dest - pointer to the object to fill
ch - fill byte
count - number of bytes to fill

[edit] Return value

dest

[edit] Example

#include <stdio.h>
#include <string.h>
 
int main(void)
{
    char str[] = "ghghghghghghghghghghgh";
    puts(str);
    memset(str,'a',5);
    puts(str);
    return 0;
}

Output:

ghghghghghghghghghghgh
aaaaahghghghghghghghgh

[edit] See also

copies one buffer to another
(function) [edit]