C Tutorial/string.h/memset

memset

Item Value Header file string.h Declaration void *memset(void *buf, int ch, size_t count); Function copies ch into the first count characters of *buf. Return returns buf.

The most common use of memset() is to initialize a region of memory to some value.

<source lang="cpp">#include <string.h>

1. include <stdio.h>

int main(void){

 char buf[100];
 memset(buf, "\0", 100);
 memset(buf, "X", 10);
 printf(buf);

}</source>