Procs

proc setError*(fmt: cstring): cint {.
varargs, cdecl, importc: "SDL_SetError",
                                 dynlib: SDL2_LIB
.}

setError() unconditionally returns -1.

proc getError*(): cstring {.
cdecl, importc: "SDL_GetError", dynlib: SDL2_LIB
.}

proc clearError*() {.
cdecl, importc: "SDL_ClearError", dynlib: SDL2_LIB
.}