NAME
atoi —
convert ASCII string to
integer
LIBRARY
library “libc”
SYNOPSIS
#include
<stdlib.h>
int
atoi(const
char *nptr);
DESCRIPTION
Theatoi()
function converts the initial portion of the string pointed to by
nptr to int representation.
It is equivalent to:
(int)strtol(nptr, NULL, 10);
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
STANDARDS
The atoi() function conforms to
IEEE Std 1003.1-1990 (“POSIX.1”),
ISO/IEC 9899:1990 (“ISO C90”),
and ISO/IEC 9899:1999
(“ISO C99”).