Which of the following correctly reads a string from a file in C?*1 pointfscanf(file, "%s", str)fprintf(file, "%s", str)fread(file, "%s", str)fput(file, "%s", str)
Question
Which of the following correctly reads a string from a file in C?*1 pointfscanf(file, "%s", str)fprintf(file, "%s", str)fread(file, "%s", str)fput(file, "%s", str)
Solution
The correct way to read a string from a file in C is using the fscanf function. So, the correct answer is fscanf(file, "%s", str).
Here is a step by step explanation:
-
fscanfis a function in C that is used to read formatted input from a file. -
The first argument
fileis a pointer to the file from which the input is to be read. -
The second argument
"%s"is the format specifier. Here,%sis used to read a string. -
The third argument
stris the variable where the read string will be stored.
So, fscanf(file, "%s", str) will read a string from the file pointed to by file and store it in the string str.
The other options like fprintf, fread, and fput are not used for reading a string from a file. fprintf is used for writing formatted output to a file, fread is used for reading binary data from a file, and fput is not a valid function in C.
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