datatypes in c

In C language there are several datatypes as int,string,float,char,and bool.
Int is used to store integer values as number ...,-5,-4,-3,-2,-1,0,1,2,3,4,5,...  and the spellings of int are in lowercase.
Char is used to store characters and it stores only one character as a or A,
String is used to store array of characters.
Float is used to store numbers with dot as 5.0, 6.3 and so on.
Bool is used to true and false values in other languages but in c language it only stores 0 for true and 1 for false.