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researchv10 Dan Cross

.TH FGETS 3S
.CT 2 file_io
.SH NAME
fgets, puts, fputs, gets \(mi string input/out on streams
.SH SYNOPSIS
.nf
.B #include <stdio.h>
.PP
.B char *fgets(s, n, stream)
.B char *s;
.B FILE *stream;
.PP
.B int puts(s)
.B char *s;
.PP
.B int fputs(s, stream)
.B char *s;
.B FILE *stream;
.fi
.SH DESCRIPTION
.I Fgets
reads
.IR n \-1
characters, or up to a newline
character, whichever comes first,
from the
.I stream
into the string
.IR s .
The last character read into
.I s
is followed by a null character.
.I Fgets
returns its first argument.
.PP
.I Puts
copies the null-terminated string
.I s
to the standard output stream
.I stdout
and appends a
newline character.
.PP
.I Fputs
copies the null-terminated string
.I s
to the named output
.IR stream .
.PP
Neither routine copies the terminal null character.
Both return the result of calling
.IR putc 
with the last character written; see
.IR getc (3).
.SH "SEE ALSO"
.IR getc (3)
.IR stdio (3)
.SH DIAGNOSTICS
.IR Fgets
returns a null pointer 
upon end of file or error.
.SH BUGS
For safety reasons the 
.SM ANSI
standard function
.BR "char *gets(s)" ,
which reads from standard input up to a newline and 
discards the newline, is not supported.
.br
.I Puts
appends a newline,
.I fputs
does not, all in the name of backward compatibility.

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