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.TH critbit0_insert 3
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.SH NAME
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critbit0_insert \- insert a string into a critbit tree
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.SH SYNTAX
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.B #include <libowfat/critbit.h>
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critbit0_tree cb = { 0 };
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int \fBcritbit0_insert\fP(critbit0_tree* \fIcb\fR,const char* \fIstr\fR);
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.SH DESCRIPTION
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critbit0_insert attempts to insert a string into a critbit0 tree. For
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this it does not insert a copy of the pointer but makes a copy of the
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whole string.
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If \fIstr\fR is already in \fIcb\fR, critbit0_insert returns 1.
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If \fIstr\fR is not in \fIcb\fR, it is inserted and critbit0_insert
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returns 2.
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If there is a memory allocation failure on the way, critbit0_insert
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leaves \fIcb\fR alone and returns 0.
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.SH "RETURN VALUE"
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2 if the key was inserted, 1 if it was already in cb, 0 on memory
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allocation failure.
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.SH "SEE ALSO"
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critbit0_contains(3)
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