to remove the following warnings:
playanim.c:228: warning: implicit declaration of function `strdup'
playanim.c:228: warning: assignment makes pointer from integer without a cast
playanim.c:234: warning: implicit declaration of function `strcpy'
playanim.c:281: warning: assignment makes pointer from integer without a cast
playanim.c:299: warning: implicit declaration of function `strlen'
playanim.c: In function `playanim':
playanim.c:378: warning: implicit declaration of function `strcat'
Kent
0a4a186c2e