C CODE TO GENERATE AIRTEL TUNE

Headers files are dos and stdio.

#include
#include
float main(void)
{
float A,Bb,D,G,F;
A = 440; G = 780; Bb = 461; D = 586; F = 687;
sound(G); delay(500); nosound();
sound(G); delay(250); nosound();
sound(G); delay(250); nosound();
sound(G); delay(500); nosound();
sound(2*D); delay(500); nosound();
sound(2*A); delay(250); nosound();
sound(2*Bb); delay(250); nosound();
sound(2*A); delay(250); nosound();
sound(G); delay(250); nosound();
sound(F); delay(500); nosound();
sound(2*A); delay(500); nosound();
sound(G); delay(250); nosound();
sound(2*A); delay(250); nosound();
sound(G); delay(250); nosound();
sound(F); delay(250);
sound(G); delay(250);
sound(2*A); delay(250);
sound(2*Bb); delay(500);
sound(2*A); delay(500);
sound(G); delay(250);
sound(F); delay(250);
sound(D); delay(500); nosound();
sound(G); delay(500); nosound();
sound(G); delay(250); nosound();
sound(G); delay(250); nosound();
sound(G); delay(500); nosound();
sound(2*D); delay(500); nosound();
sound(2*A); delay(250); nosound();
sound(2*Bb); delay(250); nosound();
sound(2*A); delay(250); nosound();
sound(G); delay(250); nosound();
sound(F); delay(500); nosound();
sound(2*A); delay(500); nosound();
sound(G); delay(250); nosound();
sound(2*A); delay(250); nosound();
sound(G); delay(250); nosound();
sound(F); delay(250);
sound(G); delay(250);
sound(2*A); delay(250);
sound(2*Bb); delay(500);
sound(2*A); delay(500);
sound(G); delay(250);
sound(F); delay(250);
sound(D); delay(500); nosound();
sound(2*A); delay(250); nosound();
sound(G); delay(250); nosound();
sound(F); delay(250);
sound(G); delay(250);
sound(2*A); delay(250);
sound(2*Bb); delay(500);
sound(2*A); delay(500);
sound(G); delay(250);
sound(F); delay(250);
sound(D); delay(500); nosound();
sound(2*A); delay(250); nosound();
sound(G); delay(250); nosound();
sound(F); delay(250);
sound(G); delay(250);
sound(2*A); delay(250);
sound(2*Bb); delay(500);
sound(2*A); delay(500);
sound(G); delay(250);
sound(F); delay(250);
sound(D); delay(500); nosound();
return 0;
}

Have fun..