puts

 

C

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File input/output

Functions
File access
fopen freopen fclose fflush	fwide setbuf setvbuf
Direct input/output
fread
fwrite
Unformatted input/output
fgetc fgets fputc fputs getchar gets putchar puts ungetc	fgetwc fgetws fputwc fputws getwchar putwchar ungetwc
Formatted input/output
scanffscanfsscanf vscanfvfscanfvsscanf (C99)(C99)(C99) printffprintfsprintfsnprintf (C99) vprintfvfprintfvsprintfvsnprintf (C99)	wscanffwscanfswscanf vwscanfvfwscanfvswscanf (C99)(C99)(C99) wprintffwprintfswprintf vwprintfvfwprintfvswprintf
File positioning
ftell
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rewind
Error handling
clearerr
feof
ferror
perror
Operations on files
remove
rename
tmpfile
tmpnam

 

Defined in header <stdio.h>
int puts( const char *str );

Writes character string str and a newline to stdout

Parameters

str

-

character string to be written

Return value

non-negative number on success or EOF otherwise

Example

puts() with error checking

Run this code

#include <stdio.h>
#include <stdlib.h>
 
int main(void)
{
    int ret_code = puts("Hello World");
    if ((ret_code == EOF) && (ferror(stdout)))   /* test whether EOF was reached */
    {
       perror("puts()");
       fprintf(stderr,"puts() failed in file %s at line # %d\n", __FILE__,__LINE__-4);
       exit(EXIT_FAILURE);
    }
 
    return EXIT_SUCCESS;
}

Output:

Hello World

See also

fputs	writes a character string to a file stream (function)
printffprintfsprintfsnprintf (C99)	prints formatted output to stdout, a file stream or a buffer (function)
C++ documentation for puts