adtools/clib2

/* gcc -mstackextend -o stack_extension_test stack_extension_test.c */

#include <stdio.h>
#include <ctype.h>

void
recursive_function(char *data,int data_size,int level)
{
    char local_data[10000];
    char line[10];
    int c;

    data_size += sizeof(local_data);
    level++;

    printf("recursion level=%d, size=%d; continue? ",level,data_size);

    fgets(line,sizeof(line),stdin);
    c = toupper(line[0]);

    if(c == 'Y')
        recursive_function(local_data,data_size,level);
}

int
main(int argc,char ** argv)
{
    recursive_function(NULL,0,0);

    return(0);
}