gets man page on Archlinux

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

       gets - get a string from standard input (DEPRECATED)

       #include <stdio.h>

       char *gets(char *s);

       Never use this function.

       gets()  reads  a	 line from stdin into the buffer pointed to by s until
       either a terminating newline or EOF, which it replaces with a null byte
       ('\0').	No check for buffer overrun is performed (see BUGS below).

       gets()  returns	s  on  success,	 and NULL on error or when end of file
       occurs while no characters have been read.  However, given the lack  of
       buffer  overrun	checking, there can be no guarantees that the function
       will even return.

       C89, C99, POSIX.1-2001.

       LSB deprecates gets().  POSIX.1-2008 marks gets() obsolescent.  ISO C11
       removes the specification of gets() from the C language, and since ver‐
       sion 2.16, glibc header files don't expose the function declaration  if
       the _ISOC11_SOURCE feature test macro is defined.

       Never use gets().  Because it is impossible to tell without knowing the
       data in advance how many	 characters  gets()  will  read,  and  because
       gets() will continue to store characters past the end of the buffer, it
       is extremely dangerous to use.  It has  been  used  to  break  computer
       security.  Use fgets() instead.

       For  more  information,	see  CWE-242 (aka "Use of Inherently Dangerous
       Function") at

       read(2), write(2), ferror(3), fgetc(3), fgets(3), fgetwc(3), fgetws(3),
       fopen(3),   fread(3),   fseek(3),   getline(3),	getwchar(3),  puts(3),
       scanf(3), ungetwc(3), unlocked_stdio(3), feature_test_macros(7)

       This page is part of release 3.65 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at

GNU				  2014-01-24			       GETS(3)

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