Parse a double from a string.
Defined in <SDL3/SDL_stdinc.h>
double SDL_atof(const char *str);| const char * | str | The null-terminated string to read. Must not be NULL. | 
(double) Returns the parsed double.
The result of calling SDL_atof(str) is equivalent to SDL_strtod(str, NULL).
It is safe to call this function from any thread.
This function is available since SDL 3.2.0.