prog.c: In function ‘main’:
prog.c:5:2: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
printf("%d", count);
^~~~~~
prog.c:5:2: warning: incompatible implicit declaration of built-in function ‘printf’
prog.c:5:2: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
prog.c:6:8: error: expected expression before ‘;’ token
count+;
^