C Programming Code Examples C > Beginners Lab Assignments Code Examples Variable Types in C programming language Variable Types in C programming language A variable is a place holder for some value. All variables have some type associated with them, which expresses what 'type' of values they can be assigned. C offers a rich set of variables - Type Format String Description char %c Character type variables (ASCII values) int %d The most natural size of integer for the machine. float %f A single-precision floating point value. double %e A double-precision floating point value. void - N/A - Represents the absence of type.
