SDL.h: No such file or directory

c:/mingw/bin/../lib/gcc/mingw32/6.3.0/../../../libmingw32.a(main.o):(.text.startup+0xa0): undefined reference to `WinMain@16'
collect2.exe: error: ld returned 1 exit status

#include "../include/SDL.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>


int main(int argc,char **argv){
    
    printf("bonjour");    

    return 0;
}

#include "../include/SDL.h"

#include <SDL2/SDL.h>
#include <stdio.h>

const int SCREEN_WIDTH = 800;
const int SCREEN_HEIGHT = 600;

int main(int arc, char ** argv) {

    if (SDL_Init( SDL_INIT_VIDEO ) < 0) {
        printf("SDL_Init failed: %s\n", SDL_GetError());
    } else {
        SDL_CreateWindow(
            "SDL2 Demo",
            SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
            SCREEN_WIDTH, SCREEN_HEIGHT,
            SDL_WINDOW_SHOWN
        );
        
        SDL_Delay(2000);
    }
    
    return 0;
}

gcc test_sdl.c -o test_sdl.exe -Ic:\mingw_dev_lib\SDL2\i686-w64-mingw32\include\SDL2 -Lc:\mingw_dev_lib\SDL2\i686-w64-mingw32\lib -w -Wl,-subsystem,windows -lmingw32 -lSDL2main -lSDL2

gcc test_sdl.c -o test_sdl.exe -Ic:\mingw_dev_lib\SDL2\i686-w64-mingw32\include\SDL2 -Lc:\mingw_dev_lib\SDL2\i686-w64-mingw32\lib -w -Wl,-subsystem,windows -lmingw32 -lSDL2main -lSDL2

Au caractère Ligne:1 : 137
+ ... ude\SDL2 -Lc:\mingw_dev_lib\SDL2\i686-w64-mingw32\lib -w -Wl,-subsyst ...
+                                                                 ~
Argument manquant dans la liste de paramètres.
Au caractère Ligne:1 : 148
+ ... c:\mingw_dev_lib\SDL2\i686-w64-mingw32\lib -w -Wl,-subsystem,windows  ...
+                                                                 ~
Argument manquant dans la liste de paramètres.
    + CategoryInfo          : ParserError: (:) [], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : MissingArgument

gcc test_sdl.c -o test_sdl.exe -Ic:\mingw_dev_lib\SDL2\i686-w64-mingw32\include\SDL2 -Lc:\mingw_dev_lib\SDL2\i686-w64-mingw32\lib -lmingw32 -lSDL2main -lSDL2

gcc.exe: error: test_sdl.c: No such file or directory

main.c:1:22: fatal error: SDL2/SDL.h: No such file or directory
 #include <SDL2/SDL.h>
                      ^
compilation terminated.