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In C language, which of the following functions can not used to write data to a file?Select one or more:a.putsb.getsc.fprintfd.fputce.fputs

Question

In C language, which of the following functions can not used to write data to a file?

Select one or more:

  • a. putc
  • b. getchar
  • c. fprintf
  • d. fputc
  • e. fputs
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Solution

To determine which functions in the C programming language cannot be used to write data to a file, we need to analyze the provided options. Here is a brief explanation of each:

  1. puts: This function is used to write a string to the standard output (stdout). While it writes to an output stream, it does not directly write to a file unless the file is redirected to stdout. Therefore, in its typical usage, it cannot be used to write data to a file by itself.

  2. get: This option appears to be incomplete or incorrect as get is not a standard C function for writing data. There is a getc() function, which is used for reading data. Thus, this would not be used for writing data to a file.

  3. fprintf: This function is used to write formatted output to a specified file stream. It is specifically designed for writing data to files, so it can definitely be used for that purpose.

  4. fputc: This function writes a single character to a specified file stream. It is a valid function to use for writing to files.

  5. fputs: This function is used to write a string to a specified file stream. It is another valid function for writing to files.

Final Answer

Based on the analysis, the functions that cannot be used to write data to a file are puts and get.

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