_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE ||
_POSIX_C_SOURCE >= 200112L;
function converts the initial portion of the string
pointed to by nptr to
The behavior is the same as
strtol(nptr, (char **) NULL, 10);
does not detect errors.
functions behave the same as
except that they convert the initial portion of the
string to their return type of long or long long.
is an obsolete name for
The converted value.
SVr4, POSIX.1-2001, 4.3BSD, C99.
POSIX.1-1996 include the functions
is a GNU extension.
function is not present in libc 4.6.27
or glibc 2, but is present in libc5 and libc 4.7 (though only as an
inline function in <stdlib.h> until libc 5.4.44).
function is present in glibc 2 since version 2.0.2, but
not in libc4 or libc5.