Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_setenv_unsafe - Set the value of a variable in the environment.
SYNOPSIS
#include <SDL3/SDL_stdinc.h>
int SDL_setenv_unsafe(const char *name, const char *value, int overwrite);
FUNCTION PARAMETERS
name the name of the variable to set.
value the value of the variable to set.
overwrite
1 to overwrite the variable if it exists, 0 to return success without setting the variable if it
already exists.
RETURN VALUE
Returns 0 on success, -1 on error.
THREAD SAFETY
This function is not thread safe, consider using SDL_SetEnvironmentVariable() instead.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_SetEnvironmentVariable(3)
Simple Directmedia Layer SDL 3.2.20 SDL_setenv_unsafe(3)