x86 bt instruction

bt.c

/*
 * bt.c
 *
 * gcc -Wall -m32 -masm=intel -o "untitled" "untitled.c" (in directory: /tmp)
 *
 * Copyright 2018 Sudhakar Verma <sudhakar@payatu>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 *
 *
 */

#include <stdio.h>
#include <stdlib.h>

void yes() {
    puts("yes");
    exit(0);
}
void no() {
    puts("no");
    exit(0);
}
int main(int argc, char **argv) {
    int a;
    a = atoi(argv[2]);
    asm("push eax");
    a = atoi(argv[1]);
    asm("pop ebx");
    asm("clc");
    asm("bt eax, ebx");
    asm("jc yes");
    asm("jnc no");
    return 0;
}