-extern int wiringPiI2CWrite (int fd, int data) ;
-extern int wiringPiI2CWriteReg8 (int fd, int reg, int data) ;
-extern int wiringPiI2CWriteReg16 (int fd, int reg, int data) ;
+extern int wiringPiI2CWrite (int fd, int data) ;
+extern int wiringPiI2CWriteReg8 (int fd, int reg, int data) ;
+extern int wiringPiI2CWriteReg16 (int fd, int reg, int data) ;