sound.h

sound_beep

Header: sound.h
Prototype: void sound_beep(int freq);
Description: The sound_beep function causes the built-in speaker to sound a beep. Any frequency in Hertz can be approximated by multiplying by a conversion factor of 1.331 and using this value for freq. This function works only on machines that are hardware and software compatible with the IBM PC.
Return Value: None
Compatibility: DOS Windows 3.x Phar Lap DOSX Win32
See Also: sound_click sound_tone

Header: sound.h
Prototype: void sound_click();
Description: The sound_click function causes the built-in speaker to click. This function works only on machines that are hardware and software compatible with the IBM PC.
Return Value: None
Compatibility: DOS Windows 3.x Phar Lap DOSX Win32
See Also: sound_beep sound_tone

Header: sound.h
Prototype: void sound_tone(int cycles, int uptime, int dntime);
Description: The sound_tone function plays tones through the built-in speaker. The number of cycles and the cycle times are specified. This function works only on machines that are hardware and software compatible with the IBM PC.
Return Value: None
Compatibility: DOS Windows 3.x Phar Lap DOSX Win32
See Also: sound_beep sound_click