fgets man page on SmartOS

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GETS(3C)							      GETS(3C)

NAME
       gets, fgets - get a string from a stream

SYNOPSIS
       #include <stdio.h>

       char *gets(char *s);

       char *fgets(char *s, int n, FILE *stream);

DESCRIPTION
       The  gets()  function  reads  bytes from the standard input stream (see
       Intro(3)), stdin, into the array pointed to by s, until a newline char‐
       acter  is  read or an end-of-file condition is encountered. The newline
       character is discarded and the string is terminated with a null byte.

       If the length of an input line exceeds the  size	 of  s,	 indeterminate
       behavior	 may  result. For this reason, it is strongly recommended that
       gets() be avoided in favor of fgets().

       The fgets() function reads bytes from the stream into the array pointed
       to  by  s, until n−1 bytes are read, or a newline character is read and
       transferred to s, or  an	 end-of-file  condition	 is  encountered.  The
       string is then terminated with a null byte.

       The  fgets()  and  gets()  functions may mark the st_atime field of the
       file associated with stream for update.	The  st_atime  field  will  be
       marked  for  update  by	the  first  successful execution of fgetc(3C),
       fgets(),	 fread(3C),  fscanf(3C),  getc(3C),  getchar(3C),  gets(),  or
       scanf(3C)  using	 stream that returns data not supplied by a prior call
       to ungetc(3C) or ungetwc(3C).

RETURN VALUES
       If end-of-file is encountered and no bytes have been read, no bytes are
       transferred  to s and a null pointer is returned. For standard-conform‐
       ing (see standards(5)) applications, if the end-of-file	indicator  for
       the  stream is set, no bytes are transferred to s and a null pointer is
       returned whether or not the stream is at end-of-file. If a  read	 error
       occurs,	such  as  trying to use these functions on a file that has not
       been opened for reading, a null pointer is returned and the error indi‐
       cator  for  the	stream	is set. If end-of-file is encountered, the EOF
       indicator for the stream is set.	 Otherwise s is returned.

ERRORS
       Refer to fgetc(3C).

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Standard	      │
       ├────────────────────┼─────────────────┤
       │MT-Level	    │ MT-Safe	      │
       └────────────────────┴─────────────────┘

SEE ALSO
       lseek(2),  read(2),  ferror(3C),	 fgetc(3C),   fgetwc(3C),   fopen(3C),
       fread(3C),  getchar(3C), scanf(3C), stdio(3C), ungetc(3C), ungetwc(3C),
       attributes(5), standards(5)

				 Oct 15, 2003			      GETS(3C)
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