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Home >
Electronics Tutorials >
C Language
Tutorial > Identifiers
- sizeof Keyword |
C Language Programming Library
Reference Guide
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Identifiers
- sizeof Keyword
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Declaration:
size_t sizeof expression
or
size_t sizeof (type)
The sizeof keyword returns the number of bytes of the given
expression or type.
size_t is an unsigned integer result.
Example:
printf("The number of bytes in an int is %d.\n",sizeof(int));
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