Introduction is also fairly easy.

You have to give input to a C program which gives you the length of the string. How would you crash it?
here is the function:

void blah(char *str)
{
char lol[200];
strcpy(lol, str);
}


Now you have to understand some of C to understand this Here we have short function that accepts string as array of chars or to be exact pointer on the first character in the series.

First line of code defines new array with length of 200 characters.

Second line of code copies str array into lol array. However, if str array is longer then lol array program will crash. So you simply have to enter more then 200 characters into the text box and you will crash it.

Here is sample string with 201 characters

123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123451234512345123459

With regards,

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