C supports the following basic data types:
int
- integer or a whole number.
float
- floating point or a number with fractional part.
double
- double-precision floating point value.
char
- single character
C has a built-in sizeof operator that gives the memory requirements for a particular data type.
printf
- statements in this program have two arguments.
- the 1st is the output string with a format specifier (%d)
- the 2nd argument returns the sizeof value.
- the final output, %d is replaced by the value in the 2nd argument.
2 types of data types:
Primitive data types
- int
- float
- char
- double
- long double
User define data types
- stack
- queue
- tree
- structure
- union
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