C++ cstring memset() function
Example
Fill an array with zeroes:
int myNumbers[5] = {10, 20, 30, 40, 50};
memset(myNumbers, 0, sizeof(myNumbers));
for (int i = 0; i < 5; i++) {
cout << myNumbers[i] << "\n";
}
Definition and Usage
The memset() function writes a specified value into every byte of the specified memory block.
The memset() function is defined in the <cstring> header file.
Syntax
memset(void * destination, int value, size_t size);The size_t data type is a positive integer.
Parameter Values
| Parameter | Description |
|---|---|
| destination | Required. A pointer to the block of memory to write to. |
| value | Required. The value to write into every byte of the memory block. |
| size | Required. The size of the memory block measured in bytes. |
Technical Details
| Returns: | A void type pointer to the block of memory. |
|---|
