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FPUTS(3) Library Functions Manual FPUTS(3)

fputs, putsoutput a line to a stream

#include <stdio.h>

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

puts(const char *str);

The function () writes the string pointed to by str to the stream pointed to by stream.

The function () writes the string str, and a terminating newline character, to the stream .

Upon successful completion a non-negative integer is returned. Otherwise, EOF is returned, the global variable errno is set to indicate the error, and the error indicator is set for the stream.

The stream supplied is not a writable stream.

The functions fputs() and puts() may also fail and set errno for any of the errors specified for the routines write(2).

ferror(3), fputws(3), putc(3), stdio(3)

The functions fputs() and puts() conform to ANSI X3.159-1989 (“ANSI C89”).

The function puts() first appeared in Version 6 AT&T UNIX and fputs() in Version 7 AT&T UNIX.

December 1, 2017 OpenBSD-7.1