C Variables Variables are containers for storing data values, like numbers and characters.In C, there are different types of variables (defined with different keywords), for example: int - stores integers (whole numbers), without decimals, such as 123 or -123 float - stores floating point numbers, with decimals, such as 19.99 or -19.99 char - stores single characters, such as 'a' or 'B' . Char values are surrounded by single quotes Declaring (Creating) Variables Format Specifiers Format specifiers are used with the printf() function to tell the compiler what kind of data the variable contains. This is basically a placeholder for variable values. A format specifier begins with a percent sign % followed by a letter. For example, to print the value of an int variable, you must use the double-quoted format specifiers %d or %i within the printf() function. Change Variable Values- All C variables must be identified with unique names .These unique names ar...
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