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PUTS(3)                    Linux Programmer's Manual                   PUTS(3)



NAME
       fputc, fputs, putc, putchar, puts - output of characters and strings

SYNOPSIS
       #include <stdio.h>

       int fputc(int c, FILE *stream);

       int fputs(const char *s, FILE *stream);

       int putc(int c, FILE *stream);

       int putchar(int c);

       int puts(const char *s);

DESCRIPTION
       fputc() writes the character c, cast to an unsigned char, to stream.

       fputs() writes the string s to stream, without its trailing '\0'.

       putc()  is  equivalent to fputc() except that it may be implemented as a macro which evaluates stream more than
       once.

       putchar(c); is equivalent to putc(c,stdout).

       puts() writes the string s and a trailing newline to stdout.

       Calls to the functions described here can be mixed with each other and with calls  to  other  output  functions
       from the stdio library for the same output stream.

       For non-locking counterparts, see unlocked_stdio(3).

RETURN VALUE
       fputc(),  putc() and putchar() return the character written as an unsigned char cast to an int or EOF on error.

       puts() and fputs() return a non-negative number on success, or EOF on error.

CONFORMING TO
       C89, C99.

BUGS
       It is not advisable to mix calls to output functions from the stdio library with low-level  calls  to  write(2)
       for the file descriptor associated with the same output stream; the results will be undefined and very probably
       not what you want.

SEE ALSO
       write(2), ferror(3), fopen(3), fputwc(3),  fputws(3),  fseek(3),  fwrite(3),  gets(3),  putwchar(3),  scanf(3),
       unlocked_stdio(3)

COLOPHON
       This  page  is part of release 3.22 of the Linux man-pages project.  A description of the project, and informa-
       tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.



GNU                               1993-04-04                           PUTS(3)