Интерактивная система просмотра системных руководств (man-ов)
atoi (3)
>> atoi (3) ( FreeBSD man: Библиотечные вызовы ) atoi (3) ( Русские man: Библиотечные вызовы ) atoi (3) ( Linux man: Библиотечные вызовы ) atoi (3) ( POSIX man: Библиотечные вызовы )
BSD mandoc
NAME
atoi
- convert
ASCII
string to integer
LIBRARY
Lb libc
SYNOPSIS
#include <stdlib.h>
int
atoi (const char *nptr);
DESCRIPTION
The
atoi ();
function converts the initial portion of the string pointed to by
Fa nptr
to
Vt int
representation.
It is equivalent to:
(int)strtol(nptr, (char **)NULL, 10);
IMPLEMENTATION NOTES
The
atoi ();
function is not thread-safe and also not async-cancel safe.
The
atoi ();
function has been deprecated by
strtol ();
and should not be used in new code.
ERRORS
The function
atoi ();
need not affect the value of
errno
on an error.
SEE ALSO
atof(3),
atol(3),
strtod(3),
strtol(3),
strtoul(3)
STANDARDS
The
atoi ();
function conforms to
St -p1003.1-90 ,
St -isoC ,
and
St -isoC-99 .
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- IMPLEMENTATION NOTES
-
- ERRORS
-
- SEE ALSO
-
- STANDARDS
-