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Linux Programmer's Manual (3)
gets - get a string from standard input (DEPRECATED)
char *gets(char *s);
Never use this function
reads a line from
into the buffer pointed to by
until either a terminating newline or
which it replaces with a null byte ('\0').
No check for buffer overrun is performed (see BUGS below).
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.
ISO C11 removes the specification of
from the C language, and since version 2.16,
glibc header files don't expose the function declaration if the
feature test macro is defined.
Because it is impossible to tell without knowing the data in advance how many
will read, and because
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.
For more information, see CWE-242 (aka "Use of Inherently Dangerous
This page is part of release 3.66 of the Linux
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
- RETURN VALUE
- CONFORMING TO
- SEE ALSO
This document was created by
using the manual pages.
Time: 21:43:00 GMT, July 12, 2014