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C stdio fputs() Function

❮ C stdio Library


Example

Write a string into a file:

FILE *fptr;

// Open a file in writing mode
fptr = fopen("filename.txt", "w");

// Write a string into the file
fputs("Hello World!", fptr);

fclose(fptr);

Definition and Usage

The fputs() function writes a string into a file.

The fputs() function is defined in the <stdio.h> header file.


Syntax

fputs(const char * str, FILE * fptr);

Parameter Values

Parameter Description
str Required. A char array containing the string to be written.
fptr Required. A file pointer, usually created by the fopen() function.

Technical Details

Returns: An int value that is not negative if the function was successful. It returns the constant EOF if an error occurred.

❮ C stdio Library

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