Man Linux: Main Page and Category List 
NAME
       SDL_GetTicks  -  Get  the  number of milliseconds since the SDL library
       initialization.


SYNOPSIS
       #include "SDL.h"

       Uint32 SDL_GetTicks(void)


DESCRIPTION
       Get the number of milliseconds since the  SDL  library  initialization.
       Note  that this value wraps if the program runs for more than ~49 days.


SEE ALSO
       SDL_Delay