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| <h3 class="section">2.9 <code>atoll</code>—convert a string to a long long integer</h3> |
| |
| <p><a name="index-atoll-14"></a><a name="index-g_t_005fatoll_005fr-15"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <stdlib.h> |
| long long atoll(const char *<var>str</var>); |
| long long _atoll_r(struct _reent *<var>ptr</var>, const char *<var>str</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| The function <code>atoll</code> converts the initial portion of the string |
| pointed to by <code>*</code><var>str</var> to a type <code>long long</code>. A call to |
| atoll(str) in this implementation is equivalent to |
| strtoll(str, (char **)NULL, 10) including behavior on error. |
| |
| <p>The alternate function <code>_atoll_r</code> is a reentrant version. The |
| extra argument <var>reent</var> is a pointer to a reentrancy structure. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| The converted value. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>atoll</code> is ISO 9899 (C99) and POSIX 1003.1-2001 compatable. |
| |
| <p>No supporting OS subroutines are required. |
| |
| <p><br> |
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