Choose the correct statement
| A. | To read successive characters from an open file . getchar and scan f can be used interchangeably |
| B. | To read successive characters from an open file. getchar and read can be used interchangeably |
| C. | The read system call reads from the buffer |
| D. | None of the above |
Answer : A Explanation : All the library i /o functions (like getchar, scanf , gets etc.) use the same interme-diate buffer and share the same file pointer. So, they can be interleaved in any order to access consecutive characters in a tile without causing any inconsistency. Unlike them. system calls (like read and write) directly manipulate the tile. So, mixing system calls and library function will have undesired consequence |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
