puts

Writes every character from the null-terminated string str and one additional newline character ' \n ' to the output stream stdout , as if by repeatedly executing fputc .

The terminating null character from str is not written.

Parameters

Return value

On success, returns a non-negative value.

On failure, returns EOF and sets the error indicator (see ferror() ) on stream .

Notes

The puts function appends the newline character to the output, while fputs function does not.

Different implementations return different non-negative numbers: some return the last character written, some return the number of characters written (or INT_MAX if the string was longer than that), some simply return a non-negative constant.

A typical cause of failure for puts is running out of space on the file system, when stdout is redirected to a file.

Example

#include <stdio.h>
 
int main(void)
{
    int rc = puts("Hello World");
 
    if (rc == EOF)
        perror("puts()"); // POSIX requires that errno is set
}

Hello World

References

See also