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| <h3 class="section">4.48 <code>puts</code>—write a character string</h3> |
| |
| <p><a name="index-puts-253"></a><a name="index-g_t_005fputs_005fr-254"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <stdio.h> |
| int puts(const char *<var>s</var>); |
| |
| int _puts_r(struct _reent *<var>reent</var>, const char *<var>s</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| <code>puts</code> writes the string at <var>s</var> (followed by a newline, instead of |
| the trailing null) to the standard output stream. |
| |
| <p>The alternate function <code>_puts_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> |
| If successful, the result is a nonnegative integer; otherwise, the |
| result is <code>EOF</code>. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| ANSI C requires <code>puts</code>, but does not specify that the result on |
| success must be <code>0</code>; any non-negative value is permitted. |
| |
| <p>Supporting OS subroutines required: <code>close</code>, <code>fstat</code>, <code>isatty</code>, |
| <code>lseek</code>, <code>read</code>, <code>sbrk</code>, <code>write</code>. |
| |
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