memset() - string.h

The C library function void *memset(void *str, int c, size_t n) copies the character c (an unsigned char) to the first n characters of the string pointed to, by the argument str.

Syntax

void *memset(void *str, int c, size_t n)

Example

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

int main ()
{
   char str[50];

   strcpy(str,"This is string.h library function");
   puts(str);

   memset(str,'$',7);
   puts(str);
   
   return(0);
}

Output / Return Value

This is string.h library function
$$$$$$$ string.h library function

Limitations

Alternatives / See Also

Reference