repl.c

#include <stdio.h>
#include <mruby.h>
#include <mruby/compile.h>

int main(int argc, char ** argv)
{
    mrb_state * mrb = mrb_open();
    char code[250];
    while (1) {
        printf("[max:250]> ");
        fgets(code, 250, stdin);
        mrb_load_string(mrb, code);
    }

    return 0;
}