Build Error from AUR

[SlideShowGames]

./../x11/main.c: In function ‘main’:
./../x11/main.c:208:26: error: implicit declaration of function ‘dirname’; did you mean ‘g_dirname’? [-Wimplicit-function-declaration]
208 | locate = dirname(argv[0]);
| ^~~~~~~
| g_dirname
./../x11/main.c:208:24: error: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
208 | locate = dirname(argv[0]);
| ^
./../x11/main.c:318:9: error: implicit declaration of function ‘hostdrv_readini’ [-Wimplicit-function-declaration]
318 | hostdrv_readini();
| ^~~~~~~~~~~~~~~
./../x11/main.c:482:9: error: implicit declaration of function ‘hostdrv_writeini’ [-Wimplicit-function-declaration]
482 | hostdrv_writeini();
| ^~~~~~~~~~~~~~~~
make[1]: *** [Makefile:5362: ../x11/xnp21kai-main.o] Error 1