home *** CD-ROM | disk | FTP | other *** search
/ Hall of Fame / HallofFameCDROM.cdr / proglc / timersnd.lzh / TONE.C < prev    next >
Text File  |  1986-12-15  |  339b  |  19 lines
  1. /* 
  2.  *    tone -- set the frequency of the sound generator 
  3.  */ 
  4. #include <stdio.h> 
  5.  
  6. main(argc, argv) 
  7. int argc; 
  8. char **argv; 
  9. { 
  10.     extern void setfreq(unsigned int); 
  11.     if (argc != 2) { 
  12.         fprintf(stderr, "Usage: tone hertz\n"); 
  13.         exit(1); 
  14.     } 
  15.     /* set the frequency in Hertz */ 
  16.     setfreq(atoi(*++argv)); 
  17.     exit(0); 
  18. } 
  19.