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slang-doc-1.4.4-3mdk.i586.rpm

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<H2><A NAME="SLang_pop_string"></A> <A NAME="s70">70. <B>SLang_pop_string</B></A></H2>

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<DT><B> Synopsis </B><DD><P>Pop a string from the stack
<DT><B> Usage </B><DD><P><CODE>int SLang_pop_string(char **strptr, int *do_free)</CODE>
<DT><B> Description </B><DD><P>The <CODE>SLpop_string</CODE> function pops a string from the stack and
returns it as a malloced pointer via <CODE>strptr</CODE>.  After the
function returns, the integer pointed to by the second parameter
will be set to a non-zero value if <CODE>*strptr</CODE> should be freed via 
<CODE>free</CODE> or <CODE>SLfree</CODE>.  If successful, <CODE>SLpop_string</CODE>
returns zero.  However, if the top stack item is not of type
<CODE>SLANG_STRING_TYPE</CODE>, or the stack is empty, the function will
return <CODE>-1</CODE> and set <CODE>SLang_Error</CODE> accordingly.
<DT><B> Notes </B><DD><P>This function is considered obsolete and should not be used by
applications.  If one requires a malloced string for modification,
<CODE>SLpop_string</CODE> should be used.  If one requires a constant
string that will not be modifed by the application,
<CODE>SLang_pop_slstring</CODE> should be used.
<DT><B> See Also </B><DD><P><CODE>SLang_pop_slstring, SLpop_string</CODE>
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