C puts() function

C library function - puts()

The puts() function is used to write specified string (plus a newline), to the standard output stream. The ending null character is not written.


int puts(const char *str)


Name Description Required /Optional
str This is the string to be written. Required

Return value

  • Upon successful completion, puts() shall return a non-negative number.
  • Otherwise, it shall return EOF, shall set an error indicator for the stream, and errno shall be set to indicate the error.

Example: puts() function

#include <stdio.h>
int main() 
    const char *text = "C Programming.";
    return 0;


C Programming.

Difference from printf()

  • The puts() function prints a newline after the text supplied.
  • The puts() function prints the string as it is (% codes are not processed).

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