C/string.h/memset

memset: copies ch into the first count characters of *buf

<source lang="cpp">

//Declaration: void *memset(void *buf, int ch, size_t count); //Return: returns buf.

1. include <string.h>
2. include <stdio.h>

int main(void){

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

}

/* XXXXXXXXXX

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